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Finding the Fourth Proportional to 8,432.73, 11,641.15 and 7,633.11

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Solution

The fourth proportional to 8,432.73, 11,641.15 and 7,633.11 is: 10,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.73 : 11,641.15 = 7,633.11 : x
  2. Step 2: Convert to fraction form
    8,432.73/11,641.15 = 7,633.11/x
  3. Step 3: Cross multiply
    8,432.73x = 11,641.15 × 7,633.11
  4. Step 4: Simplify right side
    8,432.73x = 88,858,178.48
  5. Step 5: Solve for x
    x = 88,858,178.48/8,432.73
  6. Step 6: Final answer
    x = 10,537.30

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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.