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Finding the Fourth Proportional to 63,718.68, 87,934.02 and 35,040.52

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Solution

The fourth proportional to 63,718.68, 87,934.02 and 35,040.52 is: 48,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,718.68 : 87,934.02 = 35,040.52 : x
  2. Step 2: Convert to fraction form
    63,718.68/87,934.02 = 35,040.52/x
  3. Step 3: Cross multiply
    63,718.68x = 87,934.02 × 35,040.52
  4. Step 4: Simplify right side
    63,718.68x = 3,081,253,786.49
  5. Step 5: Solve for x
    x = 3,081,253,786.49/63,718.68
  6. Step 6: Final answer
    x = 48,357.15

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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.