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Finding the Fourth Proportional to 15,043.97, 22,566.48 and 7,142.42

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Solution

The fourth proportional to 15,043.97, 22,566.48 and 7,142.42 is: 10,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.97 : 22,566.48 = 7,142.42 : x
  2. Step 2: Convert to fraction form
    15,043.97/22,566.48 = 7,142.42/x
  3. Step 3: Cross multiply
    15,043.97x = 22,566.48 × 7,142.42
  4. Step 4: Simplify right side
    15,043.97x = 161,179,334.50
  5. Step 5: Solve for x
    x = 161,179,334.50/15,043.97
  6. Step 6: Final answer
    x = 10,713.88

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Double scale
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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.