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Finding the Fourth Proportional to 79,751.38, 119,644.59 and 23,587.11

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Solution

The fourth proportional to 79,751.38, 119,644.59 and 23,587.11 is: 35,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.38 : 119,644.59 = 23,587.11 : x
  2. Step 2: Convert to fraction form
    79,751.38/119,644.59 = 23,587.11/x
  3. Step 3: Cross multiply
    79,751.38x = 119,644.59 × 23,587.11
  4. Step 4: Simplify right side
    79,751.38x = 2,822,070,105.23
  5. Step 5: Solve for x
    x = 2,822,070,105.23/79,751.38
  6. Step 6: Final answer
    x = 35,385.85

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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.