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Finding the Fourth Proportional to 7,082.01, 9,773.04 and 3,938.13

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Solution

The fourth proportional to 7,082.01, 9,773.04 and 3,938.13 is: 5,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.01 : 9,773.04 = 3,938.13 : x
  2. Step 2: Convert to fraction form
    7,082.01/9,773.04 = 3,938.13/x
  3. Step 3: Cross multiply
    7,082.01x = 9,773.04 × 3,938.13
  4. Step 4: Simplify right side
    7,082.01x = 38,487,502.02
  5. Step 5: Solve for x
    x = 38,487,502.02/7,082.01
  6. Step 6: Final answer
    x = 5,434.54

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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.