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Finding the Fourth Proportional to 6,124.11, 8,451.12 and 3,472.38

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Solution

The fourth proportional to 6,124.11, 8,451.12 and 3,472.38 is: 4,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.11 : 8,451.12 = 3,472.38 : x
  2. Step 2: Convert to fraction form
    6,124.11/8,451.12 = 3,472.38/x
  3. Step 3: Cross multiply
    6,124.11x = 8,451.12 × 3,472.38
  4. Step 4: Simplify right side
    6,124.11x = 29,345,500.07
  5. Step 5: Solve for x
    x = 29,345,500.07/6,124.11
  6. Step 6: Final answer
    x = 4,791.80

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.