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Finding the Fourth Proportional to 67,017.68, 92,480.79 and 38,337.91

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Solution

The fourth proportional to 67,017.68, 92,480.79 and 38,337.91 is: 52,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,017.68 : 92,480.79 = 38,337.91 : x
  2. Step 2: Convert to fraction form
    67,017.68/92,480.79 = 38,337.91/x
  3. Step 3: Cross multiply
    67,017.68x = 92,480.79 × 38,337.91
  4. Step 4: Simplify right side
    67,017.68x = 3,545,519,900.66
  5. Step 5: Solve for x
    x = 3,545,519,900.66/67,017.68
  6. Step 6: Final answer
    x = 52,904.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.