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Finding the Fourth Proportional to 24,428.60, 36,642.90 and 21,836.60

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Solution

The fourth proportional to 24,428.60, 36,642.90 and 21,836.60 is: 32,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,428.60 : 36,642.90 = 21,836.60 : x
  2. Step 2: Convert to fraction form
    24,428.60/36,642.90 = 21,836.60/x
  3. Step 3: Cross multiply
    24,428.60x = 36,642.90 × 21,836.60
  4. Step 4: Simplify right side
    24,428.60x = 800,156,350.14
  5. Step 5: Solve for x
    x = 800,156,350.14/24,428.60
  6. Step 6: Final answer
    x = 32,754.90

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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.