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Finding the Fourth Proportional to 9,915.73, 14,874.49 and 4,367.76

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Solution

The fourth proportional to 9,915.73, 14,874.49 and 4,367.76 is: 6,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.73 : 14,874.49 = 4,367.76 : x
  2. Step 2: Convert to fraction form
    9,915.73/14,874.49 = 4,367.76/x
  3. Step 3: Cross multiply
    9,915.73x = 14,874.49 × 4,367.76
  4. Step 4: Simplify right side
    9,915.73x = 64,968,202.44
  5. Step 5: Solve for x
    x = 64,968,202.44/9,915.73
  6. Step 6: Final answer
    x = 6,552.03

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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.