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Finding the Fourth Proportional to 41,107.80, 57,419.70 and 41,107.80

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Solution

The fourth proportional to 41,107.80, 57,419.70 and 41,107.80 is: 57,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,107.80 : 57,419.70 = 41,107.80 : x
  2. Step 2: Convert to fraction form
    41,107.80/57,419.70 = 41,107.80/x
  3. Step 3: Cross multiply
    41,107.80x = 57,419.70 × 41,107.80
  4. Step 4: Simplify right side
    41,107.80x = 2,360,397,543.66
  5. Step 5: Solve for x
    x = 2,360,397,543.66/41,107.80
  6. Step 6: Final answer
    x = 57,419.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.