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Finding the Fourth Proportional to 63,717.86, 87,932.91 and 35,039.72

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Solution

The fourth proportional to 63,717.86, 87,932.91 and 35,039.72 is: 48,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.86 : 87,932.91 = 35,039.72 : x
  2. Step 2: Convert to fraction form
    63,717.86/87,932.91 = 35,039.72/x
  3. Step 3: Cross multiply
    63,717.86x = 87,932.91 × 35,039.72
  4. Step 4: Simplify right side
    63,717.86x = 3,081,144,105.52
  5. Step 5: Solve for x
    x = 3,081,144,105.52/63,717.86
  6. Step 6: Final answer
    x = 48,356.06

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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.