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Finding the Fourth Proportional to 41,654.40, 62,384.40 and 40,819.20

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Solution

The fourth proportional to 41,654.40, 62,384.40 and 40,819.20 is: 61,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,654.40 : 62,384.40 = 40,819.20 : x
  2. Step 2: Convert to fraction form
    41,654.40/62,384.40 = 40,819.20/x
  3. Step 3: Cross multiply
    41,654.40x = 62,384.40 × 40,819.20
  4. Step 4: Simplify right side
    41,654.40x = 2,546,481,300.48
  5. Step 5: Solve for x
    x = 2,546,481,300.48/41,654.40
  6. Step 6: Final answer
    x = 61,133.55

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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.