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Finding the Fourth Proportional to 29,125.60, 43,689.90 and 8,348.56

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Solution

The fourth proportional to 29,125.60, 43,689.90 and 8,348.56 is: 12,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125.60 : 43,689.90 = 8,348.56 : x
  2. Step 2: Convert to fraction form
    29,125.60/43,689.90 = 8,348.56/x
  3. Step 3: Cross multiply
    29,125.60x = 43,689.90 × 8,348.56
  4. Step 4: Simplify right side
    29,125.60x = 364,747,751.54
  5. Step 5: Solve for x
    x = 364,747,751.54/29,125.60
  6. Step 6: Final answer
    x = 12,523.27

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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.