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Finding the Fourth Proportional to 35,082.78, 48,414.87 and 19,167.90

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Solution

The fourth proportional to 35,082.78, 48,414.87 and 19,167.90 is: 26,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,082.78 : 48,414.87 = 19,167.90 : x
  2. Step 2: Convert to fraction form
    35,082.78/48,414.87 = 19,167.90/x
  3. Step 3: Cross multiply
    35,082.78x = 48,414.87 × 19,167.90
  4. Step 4: Simplify right side
    35,082.78x = 928,011,386.67
  5. Step 5: Solve for x
    x = 928,011,386.67/35,082.78
  6. Step 6: Final answer
    x = 26,452.05

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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.