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Finding the Fourth Proportional to 79,441.97, 109,584.14 and 47,592.41

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Solution

The fourth proportional to 79,441.97, 109,584.14 and 47,592.41 is: 65,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441.97 : 109,584.14 = 47,592.41 : x
  2. Step 2: Convert to fraction form
    79,441.97/109,584.14 = 47,592.41/x
  3. Step 3: Cross multiply
    79,441.97x = 109,584.14 × 47,592.41
  4. Step 4: Simplify right side
    79,441.97x = 5,215,373,302.38
  5. Step 5: Solve for x
    x = 5,215,373,302.38/79,441.97
  6. Step 6: Final answer
    x = 65,650.10

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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.