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Finding the Fourth Proportional to 63,306.88, 94,814.92 and 31,619.68

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Solution

The fourth proportional to 63,306.88, 94,814.92 and 31,619.68 is: 47,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306.88 : 94,814.92 = 31,619.68 : x
  2. Step 2: Convert to fraction form
    63,306.88/94,814.92 = 31,619.68/x
  3. Step 3: Cross multiply
    63,306.88x = 94,814.92 × 31,619.68
  4. Step 4: Simplify right side
    63,306.88x = 2,998,017,429.63
  5. Step 5: Solve for x
    x = 2,998,017,429.63/63,306.88
  6. Step 6: Final answer
    x = 47,356.90

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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.