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Finding the Fourth Proportional to 7,082.46, 9,773.46 and 3,938.94

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Solution

The fourth proportional to 7,082.46, 9,773.46 and 3,938.94 is: 5,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.46 : 9,773.46 = 3,938.94 : x
  2. Step 2: Convert to fraction form
    7,082.46/9,773.46 = 3,938.94/x
  3. Step 3: Cross multiply
    7,082.46x = 9,773.46 × 3,938.94
  4. Step 4: Simplify right side
    7,082.46x = 38,497,072.53
  5. Step 5: Solve for x
    x = 38,497,072.53/7,082.46
  6. Step 6: Final answer
    x = 5,435.55

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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.