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Finding the Fourth Proportional to 24,687.80, 37,031.70 and 24,428.60

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Solution

The fourth proportional to 24,687.80, 37,031.70 and 24,428.60 is: 36,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,687.80 : 37,031.70 = 24,428.60 : x
  2. Step 2: Convert to fraction form
    24,687.80/37,031.70 = 24,428.60/x
  3. Step 3: Cross multiply
    24,687.80x = 37,031.70 × 24,428.60
  4. Step 4: Simplify right side
    24,687.80x = 904,632,586.62
  5. Step 5: Solve for x
    x = 904,632,586.62/24,687.80
  6. Step 6: Final answer
    x = 36,642.90

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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.