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Finding the Fourth Proportional to 41,807.60, 62,711.04 and 10,642.80

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Solution

The fourth proportional to 41,807.60, 62,711.04 and 10,642.80 is: 15,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,807.60 : 62,711.04 = 10,642.80 : x
  2. Step 2: Convert to fraction form
    41,807.60/62,711.04 = 10,642.80/x
  3. Step 3: Cross multiply
    41,807.60x = 62,711.04 × 10,642.80
  4. Step 4: Simplify right side
    41,807.60x = 667,421,056.51
  5. Step 5: Solve for x
    x = 667,421,056.51/41,807.60
  6. Step 6: Final answer
    x = 15,964.11

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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.