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Finding the Fourth Proportional to 34,874.56, 48,123.92 and 19,763.76

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Solution

The fourth proportional to 34,874.56, 48,123.92 and 19,763.76 is: 27,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.56 : 48,123.92 = 19,763.76 : x
  2. Step 2: Convert to fraction form
    34,874.56/48,123.92 = 19,763.76/x
  3. Step 3: Cross multiply
    34,874.56x = 48,123.92 × 19,763.76
  4. Step 4: Simplify right side
    34,874.56x = 951,109,605.14
  5. Step 5: Solve for x
    x = 951,109,605.14/34,874.56
  6. Step 6: Final answer
    x = 27,272.30

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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.