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Finding the Fourth Proportional to 8,058.81, 12,082.13 and 5,286.18

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Solution

The fourth proportional to 8,058.81, 12,082.13 and 5,286.18 is: 7,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.81 : 12,082.13 = 5,286.18 : x
  2. Step 2: Convert to fraction form
    8,058.81/12,082.13 = 5,286.18/x
  3. Step 3: Cross multiply
    8,058.81x = 12,082.13 × 5,286.18
  4. Step 4: Simplify right side
    8,058.81x = 63,868,287.53
  5. Step 5: Solve for x
    x = 63,868,287.53/8,058.81
  6. Step 6: Final answer
    x = 7,925.28

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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.