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Finding the Fourth Proportional to 52,228.53, 78,398.15 and 32,520.96

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Solution

The fourth proportional to 52,228.53, 78,398.15 and 32,520.96 is: 48,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.53 : 78,398.15 = 32,520.96 : x
  2. Step 2: Convert to fraction form
    52,228.53/78,398.15 = 32,520.96/x
  3. Step 3: Cross multiply
    52,228.53x = 78,398.15 × 32,520.96
  4. Step 4: Simplify right side
    52,228.53x = 2,549,582,937.62
  5. Step 5: Solve for x
    x = 2,549,582,937.62/52,228.53
  6. Step 6: Final answer
    x = 48,815.90

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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.