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Finding the Fourth Proportional to 60,843.92, 83,933.16 and 38,500.88

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Solution

The fourth proportional to 60,843.92, 83,933.16 and 38,500.88 is: 53,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,843.92 : 83,933.16 = 38,500.88 : x
  2. Step 2: Convert to fraction form
    60,843.92/83,933.16 = 38,500.88/x
  3. Step 3: Cross multiply
    60,843.92x = 83,933.16 × 38,500.88
  4. Step 4: Simplify right side
    60,843.92x = 3,231,500,521.18
  5. Step 5: Solve for x
    x = 3,231,500,521.18/60,843.92
  6. Step 6: Final answer
    x = 53,111.31

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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.