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Finding the Fourth Proportional to 8,862.92, 13,295.60 and 3,932.45

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Solution

The fourth proportional to 8,862.92, 13,295.60 and 3,932.45 is: 5,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.92 : 13,295.60 = 3,932.45 : x
  2. Step 2: Convert to fraction form
    8,862.92/13,295.60 = 3,932.45/x
  3. Step 3: Cross multiply
    8,862.92x = 13,295.60 × 3,932.45
  4. Step 4: Simplify right side
    8,862.92x = 52,284,262.56
  5. Step 5: Solve for x
    x = 52,284,262.56/8,862.92
  6. Step 6: Final answer
    x = 5,899.21

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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.