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Finding the Fourth Proportional to 57,333.60, 86,000.40 and 27,809.10

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Solution

The fourth proportional to 57,333.60, 86,000.40 and 27,809.10 is: 41,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,333.60 : 86,000.40 = 27,809.10 : x
  2. Step 2: Convert to fraction form
    57,333.60/86,000.40 = 27,809.10/x
  3. Step 3: Cross multiply
    57,333.60x = 86,000.40 × 27,809.10
  4. Step 4: Simplify right side
    57,333.60x = 2,391,593,723.64
  5. Step 5: Solve for x
    x = 2,391,593,723.64/57,333.60
  6. Step 6: Final answer
    x = 41,713.65

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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.