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Finding the Fourth Proportional to 8,368.27, 12,552.42 and 3,434.47

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Solution

The fourth proportional to 8,368.27, 12,552.42 and 3,434.47 is: 5,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.27 : 12,552.42 = 3,434.47 : x
  2. Step 2: Convert to fraction form
    8,368.27/12,552.42 = 3,434.47/x
  3. Step 3: Cross multiply
    8,368.27x = 12,552.42 × 3,434.47
  4. Step 4: Simplify right side
    8,368.27x = 43,110,909.92
  5. Step 5: Solve for x
    x = 43,110,909.92/8,368.27
  6. Step 6: Final answer
    x = 5,151.71

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Similar ratio
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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.