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Finding the Fourth Proportional to 8,349.94, 12,524.91 and 3,418.48

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Solution

The fourth proportional to 8,349.94, 12,524.91 and 3,418.48 is: 5,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.94 : 12,524.91 = 3,418.48 : x
  2. Step 2: Convert to fraction form
    8,349.94/12,524.91 = 3,418.48/x
  3. Step 3: Cross multiply
    8,349.94x = 12,524.91 × 3,418.48
  4. Step 4: Simplify right side
    8,349.94x = 42,816,154.34
  5. Step 5: Solve for x
    x = 42,816,154.34/8,349.94
  6. Step 6: Final answer
    x = 5,127.72

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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.