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Finding the Fourth Proportional to 60,338.96, 83,305.56 and 38,866.04

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Solution

The fourth proportional to 60,338.96, 83,305.56 and 38,866.04 is: 53,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,338.96 : 83,305.56 = 38,866.04 : x
  2. Step 2: Convert to fraction form
    60,338.96/83,305.56 = 38,866.04/x
  3. Step 3: Cross multiply
    60,338.96x = 83,305.56 × 38,866.04
  4. Step 4: Simplify right side
    60,338.96x = 3,237,757,227.18
  5. Step 5: Solve for x
    x = 3,237,757,227.18/60,338.96
  6. Step 6: Final answer
    x = 53,659.48

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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.