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Finding the Fourth Proportional to 41,153.40, 61,732.80 and 11,572.20

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Solution

The fourth proportional to 41,153.40, 61,732.80 and 11,572.20 is: 17,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,153.40 : 61,732.80 = 11,572.20 : x
  2. Step 2: Convert to fraction form
    41,153.40/61,732.80 = 11,572.20/x
  3. Step 3: Cross multiply
    41,153.40x = 61,732.80 × 11,572.20
  4. Step 4: Simplify right side
    41,153.40x = 714,384,308.16
  5. Step 5: Solve for x
    x = 714,384,308.16/41,153.40
  6. Step 6: Final answer
    x = 17,359.06

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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.