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Finding the Fourth Proportional to 41,157.60, 56,890.80 and 37,891.68

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Solution

The fourth proportional to 41,157.60, 56,890.80 and 37,891.68 is: 52,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,157.60 : 56,890.80 = 37,891.68 : x
  2. Step 2: Convert to fraction form
    41,157.60/56,890.80 = 37,891.68/x
  3. Step 3: Cross multiply
    41,157.60x = 56,890.80 × 37,891.68
  4. Step 4: Simplify right side
    41,157.60x = 2,155,687,988.54
  5. Step 5: Solve for x
    x = 2,155,687,988.54/41,157.60
  6. Step 6: Final answer
    x = 52,376.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.