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Finding the Fourth Proportional to 8,593.82, 12,878.56 and 3,658.49

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Solution

The fourth proportional to 8,593.82, 12,878.56 and 3,658.49 is: 5,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.82 : 12,878.56 = 3,658.49 : x
  2. Step 2: Convert to fraction form
    8,593.82/12,878.56 = 3,658.49/x
  3. Step 3: Cross multiply
    8,593.82x = 12,878.56 × 3,658.49
  4. Step 4: Simplify right side
    8,593.82x = 47,116,082.97
  5. Step 5: Solve for x
    x = 47,116,082.97/8,593.82
  6. Step 6: Final answer
    x = 5,482.55

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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.