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Finding the Fourth Proportional to 24,355.20, 36,532.80 and 20,726.40

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Solution

The fourth proportional to 24,355.20, 36,532.80 and 20,726.40 is: 31,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,355.20 : 36,532.80 = 20,726.40 : x
  2. Step 2: Convert to fraction form
    24,355.20/36,532.80 = 20,726.40/x
  3. Step 3: Cross multiply
    24,355.20x = 36,532.80 × 20,726.40
  4. Step 4: Simplify right side
    24,355.20x = 757,193,425.92
  5. Step 5: Solve for x
    x = 757,193,425.92/24,355.20
  6. Step 6: Final answer
    x = 31,089.60

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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.