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Finding the Fourth Proportional to 8,374.43, 12,552.90 and 2,825.86

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Solution

The fourth proportional to 8,374.43, 12,552.90 and 2,825.86 is: 4,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.43 : 12,552.90 = 2,825.86 : x
  2. Step 2: Convert to fraction form
    8,374.43/12,552.90 = 2,825.86/x
  3. Step 3: Cross multiply
    8,374.43x = 12,552.90 × 2,825.86
  4. Step 4: Simplify right side
    8,374.43x = 35,472,696.01
  5. Step 5: Solve for x
    x = 35,472,696.01/8,374.43
  6. Step 6: Final answer
    x = 4,235.84

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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.