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Finding the Fourth Proportional to 51,591.39, 71,169.92 and 33,696.87

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Solution

The fourth proportional to 51,591.39, 71,169.92 and 33,696.87 is: 46,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.39 : 71,169.92 = 33,696.87 : x
  2. Step 2: Convert to fraction form
    51,591.39/71,169.92 = 33,696.87/x
  3. Step 3: Cross multiply
    51,591.39x = 71,169.92 × 33,696.87
  4. Step 4: Simplify right side
    51,591.39x = 2,398,203,373.67
  5. Step 5: Solve for x
    x = 2,398,203,373.67/51,591.39
  6. Step 6: Final answer
    x = 46,484.57

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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.