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Finding the Fourth Proportional to 24,434.40, 36,608.40 and 20,719.20

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Solution

The fourth proportional to 24,434.40, 36,608.40 and 20,719.20 is: 31,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,434.40 : 36,608.40 = 20,719.20 : x
  2. Step 2: Convert to fraction form
    24,434.40/36,608.40 = 20,719.20/x
  3. Step 3: Cross multiply
    24,434.40x = 36,608.40 × 20,719.20
  4. Step 4: Simplify right side
    24,434.40x = 758,496,761.28
  5. Step 5: Solve for x
    x = 758,496,761.28/24,434.40
  6. Step 6: Final answer
    x = 31,042.17

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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.