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Finding the Fourth Proportional to 57,335.80, 86,003.70 and 27,811.30

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Solution

The fourth proportional to 57,335.80, 86,003.70 and 27,811.30 is: 41,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.80 : 86,003.70 = 27,811.30 : x
  2. Step 2: Convert to fraction form
    57,335.80/86,003.70 = 27,811.30/x
  3. Step 3: Cross multiply
    57,335.80x = 86,003.70 × 27,811.30
  4. Step 4: Simplify right side
    57,335.80x = 2,391,874,701.81
  5. Step 5: Solve for x
    x = 2,391,874,701.81/57,335.80
  6. Step 6: Final answer
    x = 41,716.95

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Similar ratio
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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.