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Finding the Fourth Proportional to 58,318.95, 80,468.87 and 32,821.92

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Solution

The fourth proportional to 58,318.95, 80,468.87 and 32,821.92 is: 45,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,318.95 : 80,468.87 = 32,821.92 : x
  2. Step 2: Convert to fraction form
    58,318.95/80,468.87 = 32,821.92/x
  3. Step 3: Cross multiply
    58,318.95x = 80,468.87 × 32,821.92
  4. Step 4: Simplify right side
    58,318.95x = 2,641,142,649.52
  5. Step 5: Solve for x
    x = 2,641,142,649.52/58,318.95
  6. Step 6: Final answer
    x = 45,287.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.