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Finding the Fourth Proportional to 65,737.52, 90,717.76 and 35,929.52

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Solution

The fourth proportional to 65,737.52, 90,717.76 and 35,929.52 is: 49,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,737.52 : 90,717.76 = 35,929.52 : x
  2. Step 2: Convert to fraction form
    65,737.52/90,717.76 = 35,929.52/x
  3. Step 3: Cross multiply
    65,737.52x = 90,717.76 × 35,929.52
  4. Step 4: Simplify right side
    65,737.52x = 3,259,445,572.28
  5. Step 5: Solve for x
    x = 3,259,445,572.28/65,737.52
  6. Step 6: Final answer
    x = 49,582.73

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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.