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Finding the Fourth Proportional to 6,082.80, 9,118.80 and 2,186.16

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Solution

The fourth proportional to 6,082.80, 9,118.80 and 2,186.16 is: 3,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.80 : 9,118.80 = 2,186.16 : x
  2. Step 2: Convert to fraction form
    6,082.80/9,118.80 = 2,186.16/x
  3. Step 3: Cross multiply
    6,082.80x = 9,118.80 × 2,186.16
  4. Step 4: Simplify right side
    6,082.80x = 19,935,155.81
  5. Step 5: Solve for x
    x = 19,935,155.81/6,082.80
  6. Step 6: Final answer
    x = 3,277.30

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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.