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Finding the Fourth Proportional to 8,251.41, 12,377.12 and 5,483.49

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Solution

The fourth proportional to 8,251.41, 12,377.12 and 5,483.49 is: 8,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.41 : 12,377.12 = 5,483.49 : x
  2. Step 2: Convert to fraction form
    8,251.41/12,377.12 = 5,483.49/x
  3. Step 3: Cross multiply
    8,251.41x = 12,377.12 × 5,483.49
  4. Step 4: Simplify right side
    8,251.41x = 67,869,813.75
  5. Step 5: Solve for x
    x = 67,869,813.75/8,251.41
  6. Step 6: Final answer
    x = 8,225.24

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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.