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Finding the Fourth Proportional to 63,438.48, 94,937.47 and 39,412.94

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Solution

The fourth proportional to 63,438.48, 94,937.47 and 39,412.94 is: 58,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.48 : 94,937.47 = 39,412.94 : x
  2. Step 2: Convert to fraction form
    63,438.48/94,937.47 = 39,412.94/x
  3. Step 3: Cross multiply
    63,438.48x = 94,937.47 × 39,412.94
  4. Step 4: Simplify right side
    63,438.48x = 3,741,764,235.64
  5. Step 5: Solve for x
    x = 3,741,764,235.64/63,438.48
  6. Step 6: Final answer
    x = 58,982.56

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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.