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Finding the Fourth Proportional to 8,932.79, 12,329.15 and 5,701.97

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Solution

The fourth proportional to 8,932.79, 12,329.15 and 5,701.97 is: 7,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.79 : 12,329.15 = 5,701.97 : x
  2. Step 2: Convert to fraction form
    8,932.79/12,329.15 = 5,701.97/x
  3. Step 3: Cross multiply
    8,932.79x = 12,329.15 × 5,701.97
  4. Step 4: Simplify right side
    8,932.79x = 70,300,414.92
  5. Step 5: Solve for x
    x = 70,300,414.92/8,932.79
  6. Step 6: Final answer
    x = 7,869.93

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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.