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Finding the Fourth Proportional to 9,681,704.70, 14,522,557.05 and 8,636,610.30

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Solution

The fourth proportional to 9,681,704.70, 14,522,557.05 and 8,636,610.30 is: 12,954,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,704.70 : 14,522,557.05 = 8,636,610.30 : x
  2. Step 2: Convert to fraction form
    9,681,704.70/14,522,557.05 = 8,636,610.30/x
  3. Step 3: Cross multiply
    9,681,704.70x = 14,522,557.05 × 8,636,610.30
  4. Step 4: Simplify right side
    9,681,704.70x = 125,425,665,800,367.62
  5. Step 5: Solve for x
    x = 125,425,665,800,367.62/9,681,704.70
  6. Step 6: Final answer
    x = 12,954,915.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.