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Finding the Fourth Proportional to 57,846.60, 86,769.90 and 57,232.20

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Solution

The fourth proportional to 57,846.60, 86,769.90 and 57,232.20 is: 85,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,846.60 : 86,769.90 = 57,232.20 : x
  2. Step 2: Convert to fraction form
    57,846.60/86,769.90 = 57,232.20/x
  3. Step 3: Cross multiply
    57,846.60x = 86,769.90 × 57,232.20
  4. Step 4: Simplify right side
    57,846.60x = 4,966,032,270.78
  5. Step 5: Solve for x
    x = 4,966,032,270.78/57,846.60
  6. Step 6: Final answer
    x = 85,848.30

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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.