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Finding the Fourth Proportional to 6,581.05, 9,082.63 and 4,062.76

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Solution

The fourth proportional to 6,581.05, 9,082.63 and 4,062.76 is: 5,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.05 : 9,082.63 = 4,062.76 : x
  2. Step 2: Convert to fraction form
    6,581.05/9,082.63 = 4,062.76/x
  3. Step 3: Cross multiply
    6,581.05x = 9,082.63 × 4,062.76
  4. Step 4: Simplify right side
    6,581.05x = 36,900,528.23
  5. Step 5: Solve for x
    x = 36,900,528.23/6,581.05
  6. Step 6: Final answer
    x = 5,607.09

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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.