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Finding the Fourth Proportional to 52,773.60, 79,212.24 and 40,176.48

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Solution

The fourth proportional to 52,773.60, 79,212.24 and 40,176.48 is: 60,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773.60 : 79,212.24 = 40,176.48 : x
  2. Step 2: Convert to fraction form
    52,773.60/79,212.24 = 40,176.48/x
  3. Step 3: Cross multiply
    52,773.60x = 79,212.24 × 40,176.48
  4. Step 4: Simplify right side
    52,773.60x = 3,182,468,976.12
  5. Step 5: Solve for x
    x = 3,182,468,976.12/52,773.60
  6. Step 6: Final answer
    x = 60,304.19

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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.