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Finding the Fourth Proportional to 24,421.92, 36,605.97 and 15,978.29

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Solution

The fourth proportional to 24,421.92, 36,605.97 and 15,978.29 is: 23,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.92 : 36,605.97 = 15,978.29 : x
  2. Step 2: Convert to fraction form
    24,421.92/36,605.97 = 15,978.29/x
  3. Step 3: Cross multiply
    24,421.92x = 36,605.97 × 15,978.29
  4. Step 4: Simplify right side
    24,421.92x = 584,900,621.36
  5. Step 5: Solve for x
    x = 584,900,621.36/24,421.92
  6. Step 6: Final answer
    x = 23,949.82

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1.5x scale

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.