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Finding the Fourth Proportional to 61,878.33, 92,821.22 and 17,508.45

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Solution

The fourth proportional to 61,878.33, 92,821.22 and 17,508.45 is: 26,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,878.33 : 92,821.22 = 17,508.45 : x
  2. Step 2: Convert to fraction form
    61,878.33/92,821.22 = 17,508.45/x
  3. Step 3: Cross multiply
    61,878.33x = 92,821.22 × 17,508.45
  4. Step 4: Simplify right side
    61,878.33x = 1,625,155,601.77
  5. Step 5: Solve for x
    x = 1,625,155,601.77/61,878.33
  6. Step 6: Final answer
    x = 26,263.73

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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.