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Finding the Fourth Proportional to 35,082.78, 48,412.80 and 19,167.78

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Solution

The fourth proportional to 35,082.78, 48,412.80 and 19,167.78 is: 26,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,082.78 : 48,412.80 = 19,167.78 : x
  2. Step 2: Convert to fraction form
    35,082.78/48,412.80 = 19,167.78/x
  3. Step 3: Cross multiply
    35,082.78x = 48,412.80 × 19,167.78
  4. Step 4: Simplify right side
    35,082.78x = 927,965,899.58
  5. Step 5: Solve for x
    x = 927,965,899.58/35,082.78
  6. Step 6: Final answer
    x = 26,450.75

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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.