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Finding the Fourth Proportional to 29,387.72, 44,076.72 and 9,666.52

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Solution

The fourth proportional to 29,387.72, 44,076.72 and 9,666.52 is: 14,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.72 : 44,076.72 = 9,666.52 : x
  2. Step 2: Convert to fraction form
    29,387.72/44,076.72 = 9,666.52/x
  3. Step 3: Cross multiply
    29,387.72x = 44,076.72 × 9,666.52
  4. Step 4: Simplify right side
    29,387.72x = 426,068,495.41
  5. Step 5: Solve for x
    x = 426,068,495.41/29,387.72
  6. Step 6: Final answer
    x = 14,498.18

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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.