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Finding the Fourth Proportional to 61,189.74, 84,451.95 and 36,053.82

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Solution

The fourth proportional to 61,189.74, 84,451.95 and 36,053.82 is: 49,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.74 : 84,451.95 = 36,053.82 : x
  2. Step 2: Convert to fraction form
    61,189.74/84,451.95 = 36,053.82/x
  3. Step 3: Cross multiply
    61,189.74x = 84,451.95 × 36,053.82
  4. Step 4: Simplify right side
    61,189.74x = 3,044,815,403.95
  5. Step 5: Solve for x
    x = 3,044,815,403.95/61,189.74
  6. Step 6: Final answer
    x = 49,760.23

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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.