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Finding the Fourth Proportional to 67,028.74, 100,543.11 and 22,655.50

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Solution

The fourth proportional to 67,028.74, 100,543.11 and 22,655.50 is: 33,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.74 : 100,543.11 = 22,655.50 : x
  2. Step 2: Convert to fraction form
    67,028.74/100,543.11 = 22,655.50/x
  3. Step 3: Cross multiply
    67,028.74x = 100,543.11 × 22,655.50
  4. Step 4: Simplify right side
    67,028.74x = 2,277,854,428.61
  5. Step 5: Solve for x
    x = 2,277,854,428.61/67,028.74
  6. Step 6: Final answer
    x = 33,983.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.