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Finding the Fourth Proportional to 58,468.86, 87,716.25 and 27,287.10

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Solution

The fourth proportional to 58,468.86, 87,716.25 and 27,287.10 is: 40,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,468.86 : 87,716.25 = 27,287.10 : x
  2. Step 2: Convert to fraction form
    58,468.86/87,716.25 = 27,287.10/x
  3. Step 3: Cross multiply
    58,468.86x = 87,716.25 × 27,287.10
  4. Step 4: Simplify right side
    58,468.86x = 2,393,522,085.38
  5. Step 5: Solve for x
    x = 2,393,522,085.38/58,468.86
  6. Step 6: Final answer
    x = 40,936.70

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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.