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Finding the Fourth Proportional to 34,874.86, 48,126.28 and 19,768.91

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Solution

The fourth proportional to 34,874.86, 48,126.28 and 19,768.91 is: 27,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.86 : 48,126.28 = 19,768.91 : x
  2. Step 2: Convert to fraction form
    34,874.86/48,126.28 = 19,768.91/x
  3. Step 3: Cross multiply
    34,874.86x = 48,126.28 × 19,768.91
  4. Step 4: Simplify right side
    34,874.86x = 951,404,097.95
  5. Step 5: Solve for x
    x = 951,404,097.95/34,874.86
  6. Step 6: Final answer
    x = 27,280.51

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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.