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Finding the Fourth Proportional to 24,246.40, 36,326.40 and 20,531.20

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Solution

The fourth proportional to 24,246.40, 36,326.40 and 20,531.20 is: 30,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,246.40 : 36,326.40 = 20,531.20 : x
  2. Step 2: Convert to fraction form
    24,246.40/36,326.40 = 20,531.20/x
  3. Step 3: Cross multiply
    24,246.40x = 36,326.40 × 20,531.20
  4. Step 4: Simplify right side
    24,246.40x = 745,824,583.68
  5. Step 5: Solve for x
    x = 745,824,583.68/24,246.40
  6. Step 6: Final answer
    x = 30,760.22

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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.