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Finding the Fourth Proportional to 63,717.68, 87,932.64 and 35,039.52

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Solution

The fourth proportional to 63,717.68, 87,932.64 and 35,039.52 is: 48,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.68 : 87,932.64 = 35,039.52 : x
  2. Step 2: Convert to fraction form
    63,717.68/87,932.64 = 35,039.52/x
  3. Step 3: Cross multiply
    63,717.68x = 87,932.64 × 35,039.52
  4. Step 4: Simplify right side
    63,717.68x = 3,081,117,497.93
  5. Step 5: Solve for x
    x = 3,081,117,497.93/63,717.68
  6. Step 6: Final answer
    x = 48,355.77

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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.