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Finding the Fourth Proportional to 63,283.99, 94,879.12 and 38,318.17

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Solution

The fourth proportional to 63,283.99, 94,879.12 and 38,318.17 is: 57,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,283.99 : 94,879.12 = 38,318.17 : x
  2. Step 2: Convert to fraction form
    63,283.99/94,879.12 = 38,318.17/x
  3. Step 3: Cross multiply
    63,283.99x = 94,879.12 × 38,318.17
  4. Step 4: Simplify right side
    63,283.99x = 3,635,594,249.61
  5. Step 5: Solve for x
    x = 3,635,594,249.61/63,283.99
  6. Step 6: Final answer
    x = 57,448.88

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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.