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Finding the Fourth Proportional to 57,484.74, 86,060.16 and 35,230.80

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Solution

The fourth proportional to 57,484.74, 86,060.16 and 35,230.80 is: 52,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,484.74 : 86,060.16 = 35,230.80 : x
  2. Step 2: Convert to fraction form
    57,484.74/86,060.16 = 35,230.80/x
  3. Step 3: Cross multiply
    57,484.74x = 86,060.16 × 35,230.80
  4. Step 4: Simplify right side
    57,484.74x = 3,031,968,284.93
  5. Step 5: Solve for x
    x = 3,031,968,284.93/57,484.74
  6. Step 6: Final answer
    x = 52,743.88

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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.