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Finding the Fourth Proportional to 41,807.60, 62,711.64 and 10,642.88

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Solution

The fourth proportional to 41,807.60, 62,711.64 and 10,642.88 is: 15,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,807.60 : 62,711.64 = 10,642.88 : x
  2. Step 2: Convert to fraction form
    41,807.60/62,711.64 = 10,642.88/x
  3. Step 3: Cross multiply
    41,807.60x = 62,711.64 × 10,642.88
  4. Step 4: Simplify right side
    41,807.60x = 667,432,459.12
  5. Step 5: Solve for x
    x = 667,432,459.12/41,807.60
  6. Step 6: Final answer
    x = 15,964.38

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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.