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Finding the Fourth Proportional to 8,907,522.70, 13,361,284.05 and 7,897,784.80

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Solution

The fourth proportional to 8,907,522.70, 13,361,284.05 and 7,897,784.80 is: 11,846,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,522.70 : 13,361,284.05 = 7,897,784.80 : x
  2. Step 2: Convert to fraction form
    8,907,522.70/13,361,284.05 = 7,897,784.80/x
  3. Step 3: Cross multiply
    8,907,522.70x = 13,361,284.05 × 7,897,784.80
  4. Step 4: Simplify right side
    8,907,522.70x = 105,524,546,078,572.44
  5. Step 5: Solve for x
    x = 105,524,546,078,572.44/8,907,522.70
  6. Step 6: Final answer
    x = 11,846,677.20

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Similar ratio
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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.