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Finding the Fourth Proportional to 57,521.89, 86,282.85 and 15,968.89

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Solution

The fourth proportional to 57,521.89, 86,282.85 and 15,968.89 is: 23,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.89 : 86,282.85 = 15,968.89 : x
  2. Step 2: Convert to fraction form
    57,521.89/86,282.85 = 15,968.89/x
  3. Step 3: Cross multiply
    57,521.89x = 86,282.85 × 15,968.89
  4. Step 4: Simplify right side
    57,521.89x = 1,377,841,340.54
  5. Step 5: Solve for x
    x = 1,377,841,340.54/57,521.89
  6. Step 6: Final answer
    x = 23,953.34

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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.