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Finding the Fourth Proportional to 24,399.72, 36,657.90 and 15,651.72

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Solution

The fourth proportional to 24,399.72, 36,657.90 and 15,651.72 is: 23,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,399.72 : 36,657.90 = 15,651.72 : x
  2. Step 2: Convert to fraction form
    24,399.72/36,657.90 = 15,651.72/x
  3. Step 3: Cross multiply
    24,399.72x = 36,657.90 × 15,651.72
  4. Step 4: Simplify right side
    24,399.72x = 573,759,186.59
  5. Step 5: Solve for x
    x = 573,759,186.59/24,399.72
  6. Step 6: Final answer
    x = 23,514.99

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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.