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Finding the Fourth Proportional to 55,625.29, 83,292.12 and 38,129.29

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Solution

The fourth proportional to 55,625.29, 83,292.12 and 38,129.29 is: 57,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.29 : 83,292.12 = 38,129.29 : x
  2. Step 2: Convert to fraction form
    55,625.29/83,292.12 = 38,129.29/x
  3. Step 3: Cross multiply
    55,625.29x = 83,292.12 × 38,129.29
  4. Step 4: Simplify right side
    55,625.29x = 3,175,869,398.19
  5. Step 5: Solve for x
    x = 3,175,869,398.19/55,625.29
  6. Step 6: Final answer
    x = 57,093.98

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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.