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Finding the Fourth Proportional to 9,062.42, 12,505.14 and 5,082.71

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Solution

The fourth proportional to 9,062.42, 12,505.14 and 5,082.71 is: 7,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.42 : 12,505.14 = 5,082.71 : x
  2. Step 2: Convert to fraction form
    9,062.42/12,505.14 = 5,082.71/x
  3. Step 3: Cross multiply
    9,062.42x = 12,505.14 × 5,082.71
  4. Step 4: Simplify right side
    9,062.42x = 63,560,000.13
  5. Step 5: Solve for x
    x = 63,560,000.13/9,062.42
  6. Step 6: Final answer
    x = 7,013.58

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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.