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Finding the Fourth Proportional to 89,759.01, 134,638.52 and 27,428.97

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Solution

The fourth proportional to 89,759.01, 134,638.52 and 27,428.97 is: 41,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,759.01 : 134,638.52 = 27,428.97 : x
  2. Step 2: Convert to fraction form
    89,759.01/134,638.52 = 27,428.97/x
  3. Step 3: Cross multiply
    89,759.01x = 134,638.52 × 27,428.97
  4. Step 4: Simplify right side
    89,759.01x = 3,692,995,788.78
  5. Step 5: Solve for x
    x = 3,692,995,788.78/89,759.01
  6. Step 6: Final answer
    x = 41,143.46

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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.