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Finding the Fourth Proportional to 62,249.52, 85,866.72 and 38,039.36

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Solution

The fourth proportional to 62,249.52, 85,866.72 and 38,039.36 is: 52,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,249.52 : 85,866.72 = 38,039.36 : x
  2. Step 2: Convert to fraction form
    62,249.52/85,866.72 = 38,039.36/x
  3. Step 3: Cross multiply
    62,249.52x = 85,866.72 × 38,039.36
  4. Step 4: Simplify right side
    62,249.52x = 3,266,315,074.10
  5. Step 5: Solve for x
    x = 3,266,315,074.10/62,249.52
  6. Step 6: Final answer
    x = 52,471.33

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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.