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Finding the Fourth Proportional to 12,293.97, 18,440.96 and 5,269.42

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Solution

The fourth proportional to 12,293.97, 18,440.96 and 5,269.42 is: 7,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.97 : 18,440.96 = 5,269.42 : x
  2. Step 2: Convert to fraction form
    12,293.97/18,440.96 = 5,269.42/x
  3. Step 3: Cross multiply
    12,293.97x = 18,440.96 × 5,269.42
  4. Step 4: Simplify right side
    12,293.97x = 97,173,163.44
  5. Step 5: Solve for x
    x = 97,173,163.44/12,293.97
  6. Step 6: Final answer
    x = 7,904.13

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Double scale
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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.