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Finding the Fourth Proportional to 63,376.71, 95,079.65 and 21,262.38

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Solution

The fourth proportional to 63,376.71, 95,079.65 and 21,262.38 is: 31,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376.71 : 95,079.65 = 21,262.38 : x
  2. Step 2: Convert to fraction form
    63,376.71/95,079.65 = 21,262.38/x
  3. Step 3: Cross multiply
    63,376.71x = 95,079.65 × 21,262.38
  4. Step 4: Simplify right side
    63,376.71x = 2,021,619,542.26
  5. Step 5: Solve for x
    x = 2,021,619,542.26/63,376.71
  6. Step 6: Final answer
    x = 31,898.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.