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Finding the Fourth Proportional to 63,357.76, 87,424.30 and 38,480.96

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Solution

The fourth proportional to 63,357.76, 87,424.30 and 38,480.96 is: 53,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,357.76 : 87,424.30 = 38,480.96 : x
  2. Step 2: Convert to fraction form
    63,357.76/87,424.30 = 38,480.96/x
  3. Step 3: Cross multiply
    63,357.76x = 87,424.30 × 38,480.96
  4. Step 4: Simplify right side
    63,357.76x = 3,364,170,798.92
  5. Step 5: Solve for x
    x = 3,364,170,798.92/63,357.76
  6. Step 6: Final answer
    x = 53,098.01

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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.