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Finding the Fourth Proportional to 69,383.05, 95,748.91 and 39,168.74

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Solution

The fourth proportional to 69,383.05, 95,748.91 and 39,168.74 is: 54,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,383.05 : 95,748.91 = 39,168.74 : x
  2. Step 2: Convert to fraction form
    69,383.05/95,748.91 = 39,168.74/x
  3. Step 3: Cross multiply
    69,383.05x = 95,748.91 × 39,168.74
  4. Step 4: Simplify right side
    69,383.05x = 3,750,364,302.52
  5. Step 5: Solve for x
    x = 3,750,364,302.52/69,383.05
  6. Step 6: Final answer
    x = 54,053.04

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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.