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Finding the Fourth Proportional to 57,483.74, 86,058.66 and 35,229.80

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Solution

The fourth proportional to 57,483.74, 86,058.66 and 35,229.80 is: 52,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,483.74 : 86,058.66 = 35,229.80 : x
  2. Step 2: Convert to fraction form
    57,483.74/86,058.66 = 35,229.80/x
  3. Step 3: Cross multiply
    57,483.74x = 86,058.66 × 35,229.80
  4. Step 4: Simplify right side
    57,483.74x = 3,031,829,380.07
  5. Step 5: Solve for x
    x = 3,031,829,380.07/57,483.74
  6. Step 6: Final answer
    x = 52,742.38

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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.