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Finding the Fourth Proportional to 52,883.92, 72,979.14 and 29,010.88

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Solution

The fourth proportional to 52,883.92, 72,979.14 and 29,010.88 is: 40,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,883.92 : 72,979.14 = 29,010.88 : x
  2. Step 2: Convert to fraction form
    52,883.92/72,979.14 = 29,010.88/x
  3. Step 3: Cross multiply
    52,883.92x = 72,979.14 × 29,010.88
  4. Step 4: Simplify right side
    52,883.92x = 2,117,189,073.04
  5. Step 5: Solve for x
    x = 2,117,189,073.04/52,883.92
  6. Step 6: Final answer
    x = 40,034.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.