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Finding the Fourth Proportional to 60,468.68, 90,700.50 and 18,347.24

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Solution

The fourth proportional to 60,468.68, 90,700.50 and 18,347.24 is: 27,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,468.68 : 90,700.50 = 18,347.24 : x
  2. Step 2: Convert to fraction form
    60,468.68/90,700.50 = 18,347.24/x
  3. Step 3: Cross multiply
    60,468.68x = 90,700.50 × 18,347.24
  4. Step 4: Simplify right side
    60,468.68x = 1,664,103,841.62
  5. Step 5: Solve for x
    x = 1,664,103,841.62/60,468.68
  6. Step 6: Final answer
    x = 27,520.10

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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.