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Finding the Fourth Proportional to 10,082.97, 15,124.47 and 3,926.97

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Solution

The fourth proportional to 10,082.97, 15,124.47 and 3,926.97 is: 5,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.97 : 15,124.47 = 3,926.97 : x
  2. Step 2: Convert to fraction form
    10,082.97/15,124.47 = 3,926.97/x
  3. Step 3: Cross multiply
    10,082.97x = 15,124.47 × 3,926.97
  4. Step 4: Simplify right side
    10,082.97x = 59,393,339.96
  5. Step 5: Solve for x
    x = 59,393,339.96/10,082.97
  6. Step 6: Final answer
    x = 5,890.46

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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.