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Finding the Fourth Proportional to 57,549.79, 86,302.01 and 27,958.87

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Solution

The fourth proportional to 57,549.79, 86,302.01 and 27,958.87 is: 41,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,549.79 : 86,302.01 = 27,958.87 : x
  2. Step 2: Convert to fraction form
    57,549.79/86,302.01 = 27,958.87/x
  3. Step 3: Cross multiply
    57,549.79x = 86,302.01 × 27,958.87
  4. Step 4: Simplify right side
    57,549.79x = 2,412,906,538.53
  5. Step 5: Solve for x
    x = 2,412,906,538.53/57,549.79
  6. Step 6: Final answer
    x = 41,927.29

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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.