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Finding the Fourth Proportional to 8,374.50, 12,552.94 and 2,825.90

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Solution

The fourth proportional to 8,374.50, 12,552.94 and 2,825.90 is: 4,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.50 : 12,552.94 = 2,825.90 : x
  2. Step 2: Convert to fraction form
    8,374.50/12,552.94 = 2,825.90/x
  3. Step 3: Cross multiply
    8,374.50x = 12,552.94 × 2,825.90
  4. Step 4: Simplify right side
    8,374.50x = 35,473,353.15
  5. Step 5: Solve for x
    x = 35,473,353.15/8,374.50
  6. Step 6: Final answer
    x = 4,235.88

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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.