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Finding the Fourth Proportional to 60,469.10, 90,672.54 and 27,160.58

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Solution

The fourth proportional to 60,469.10, 90,672.54 and 27,160.58 is: 40,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,469.10 : 90,672.54 = 27,160.58 : x
  2. Step 2: Convert to fraction form
    60,469.10/90,672.54 = 27,160.58/x
  3. Step 3: Cross multiply
    60,469.10x = 90,672.54 × 27,160.58
  4. Step 4: Simplify right side
    60,469.10x = 2,462,718,323.11
  5. Step 5: Solve for x
    x = 2,462,718,323.11/60,469.10
  6. Step 6: Final answer
    x = 40,726.89

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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.