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Finding the Fourth Proportional to 61,197.12, 84,473.28 and 36,045

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Solution

The fourth proportional to 61,197.12, 84,473.28 and 36,045 is: 49,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.12 : 84,473.28 = 36,045 : x
  2. Step 2: Convert to fraction form
    61,197.12/84,473.28 = 36,045/x
  3. Step 3: Cross multiply
    61,197.12x = 84,473.28 × 36,045
  4. Step 4: Simplify right side
    61,197.12x = 3,044,839,377.60
  5. Step 5: Solve for x
    x = 3,044,839,377.60/61,197.12
  6. Step 6: Final answer
    x = 49,754.62

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Why These Related Problems?

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