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Finding the Fourth Proportional to 12,593.93, 17,380.49 and 8,337.67

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Solution

The fourth proportional to 12,593.93, 17,380.49 and 8,337.67 is: 11,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.93 : 17,380.49 = 8,337.67 : x
  2. Step 2: Convert to fraction form
    12,593.93/17,380.49 = 8,337.67/x
  3. Step 3: Cross multiply
    12,593.93x = 17,380.49 × 8,337.67
  4. Step 4: Simplify right side
    12,593.93x = 144,912,790.06
  5. Step 5: Solve for x
    x = 144,912,790.06/12,593.93
  6. Step 6: Final answer
    x = 11,506.56

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.