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Finding the Fourth Proportional to 61,868.93, 92,593.04 and 38,191.41

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Solution

The fourth proportional to 61,868.93, 92,593.04 and 38,191.41 is: 57,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.93 : 92,593.04 = 38,191.41 : x
  2. Step 2: Convert to fraction form
    61,868.93/92,593.04 = 38,191.41/x
  3. Step 3: Cross multiply
    61,868.93x = 92,593.04 × 38,191.41
  4. Step 4: Simplify right side
    61,868.93x = 3,536,258,562.83
  5. Step 5: Solve for x
    x = 3,536,258,562.83/61,868.93
  6. Step 6: Final answer
    x = 57,157.27

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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.