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Finding the Fourth Proportional to 29,636.56, 44,460.92 and 9,915.28

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Solution

The fourth proportional to 29,636.56, 44,460.92 and 9,915.28 is: 14,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,636.56 : 44,460.92 = 9,915.28 : x
  2. Step 2: Convert to fraction form
    29,636.56/44,460.92 = 9,915.28/x
  3. Step 3: Cross multiply
    29,636.56x = 44,460.92 × 9,915.28
  4. Step 4: Simplify right side
    29,636.56x = 440,842,470.86
  5. Step 5: Solve for x
    x = 440,842,470.86/29,636.56
  6. Step 6: Final answer
    x = 14,874.95

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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.