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Finding the Fourth Proportional to 8,245.38, 12,363.44 and 3,562.47

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Solution

The fourth proportional to 8,245.38, 12,363.44 and 3,562.47 is: 5,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.38 : 12,363.44 = 3,562.47 : x
  2. Step 2: Convert to fraction form
    8,245.38/12,363.44 = 3,562.47/x
  3. Step 3: Cross multiply
    8,245.38x = 12,363.44 × 3,562.47
  4. Step 4: Simplify right side
    8,245.38x = 44,044,384.10
  5. Step 5: Solve for x
    x = 44,044,384.10/8,245.38
  6. Step 6: Final answer
    x = 5,341.70

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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.