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Finding the Fourth Proportional to 41,128.60, 57,463.40 and 41,128.60

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Solution

The fourth proportional to 41,128.60, 57,463.40 and 41,128.60 is: 57,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.60 : 57,463.40 = 41,128.60 : x
  2. Step 2: Convert to fraction form
    41,128.60/57,463.40 = 41,128.60/x
  3. Step 3: Cross multiply
    41,128.60x = 57,463.40 × 41,128.60
  4. Step 4: Simplify right side
    41,128.60x = 2,363,389,193.24
  5. Step 5: Solve for x
    x = 2,363,389,193.24/41,128.60
  6. Step 6: Final answer
    x = 57,463.40

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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.