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Finding the Fourth Proportional to 8,463.54, 12,700.56 and 4,081.44

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Solution

The fourth proportional to 8,463.54, 12,700.56 and 4,081.44 is: 6,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.54 : 12,700.56 = 4,081.44 : x
  2. Step 2: Convert to fraction form
    8,463.54/12,700.56 = 4,081.44/x
  3. Step 3: Cross multiply
    8,463.54x = 12,700.56 × 4,081.44
  4. Step 4: Simplify right side
    8,463.54x = 51,836,573.61
  5. Step 5: Solve for x
    x = 51,836,573.61/8,463.54
  6. Step 6: Final answer
    x = 6,124.69

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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.