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Finding the Fourth Proportional to 20,232.40, 30,337.80 and 8,532.40

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Solution

The fourth proportional to 20,232.40, 30,337.80 and 8,532.40 is: 12,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.40 : 30,337.80 = 8,532.40 : x
  2. Step 2: Convert to fraction form
    20,232.40/30,337.80 = 8,532.40/x
  3. Step 3: Cross multiply
    20,232.40x = 30,337.80 × 8,532.40
  4. Step 4: Simplify right side
    20,232.40x = 258,854,244.72
  5. Step 5: Solve for x
    x = 258,854,244.72/20,232.40
  6. Step 6: Final answer
    x = 12,794.05

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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.