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Finding the Fourth Proportional to 41,207.40, 61,811.10 and 40,900.20

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Solution

The fourth proportional to 41,207.40, 61,811.10 and 40,900.20 is: 61,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,207.40 : 61,811.10 = 40,900.20 : x
  2. Step 2: Convert to fraction form
    41,207.40/61,811.10 = 40,900.20/x
  3. Step 3: Cross multiply
    41,207.40x = 61,811.10 × 40,900.20
  4. Step 4: Simplify right side
    41,207.40x = 2,528,086,352.22
  5. Step 5: Solve for x
    x = 2,528,086,352.22/41,207.40
  6. Step 6: Final answer
    x = 61,350.30

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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.