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Finding the Fourth Proportional to 28,249.52, 42,374.13 and 6,901.97

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Solution

The fourth proportional to 28,249.52, 42,374.13 and 6,901.97 is: 10,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.52 : 42,374.13 = 6,901.97 : x
  2. Step 2: Convert to fraction form
    28,249.52/42,374.13 = 6,901.97/x
  3. Step 3: Cross multiply
    28,249.52x = 42,374.13 × 6,901.97
  4. Step 4: Simplify right side
    28,249.52x = 292,464,974.04
  5. Step 5: Solve for x
    x = 292,464,974.04/28,249.52
  6. Step 6: Final answer
    x = 10,352.92

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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.