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Finding the Fourth Proportional to 40,394.98, 60,614.35 and 38,922.40

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Solution

The fourth proportional to 40,394.98, 60,614.35 and 38,922.40 is: 58,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.98 : 60,614.35 = 38,922.40 : x
  2. Step 2: Convert to fraction form
    40,394.98/60,614.35 = 38,922.40/x
  3. Step 3: Cross multiply
    40,394.98x = 60,614.35 × 38,922.40
  4. Step 4: Simplify right side
    40,394.98x = 2,359,255,727.60
  5. Step 5: Solve for x
    x = 2,359,255,727.60/40,394.98
  6. Step 6: Final answer
    x = 58,404.68

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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.