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Finding the Fourth Proportional to 64,929.72, 89,551.08 and 44,781.96

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Solution

The fourth proportional to 64,929.72, 89,551.08 and 44,781.96 is: 61,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.72 : 89,551.08 = 44,781.96 : x
  2. Step 2: Convert to fraction form
    64,929.72/89,551.08 = 44,781.96/x
  3. Step 3: Cross multiply
    64,929.72x = 89,551.08 × 44,781.96
  4. Step 4: Simplify right side
    64,929.72x = 4,010,272,882.52
  5. Step 5: Solve for x
    x = 4,010,272,882.52/64,929.72
  6. Step 6: Final answer
    x = 61,763.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.