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Finding the Fourth Proportional to 68,587.98, 94,651.11 and 38,373.09

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Solution

The fourth proportional to 68,587.98, 94,651.11 and 38,373.09 is: 52,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587.98 : 94,651.11 = 38,373.09 : x
  2. Step 2: Convert to fraction form
    68,587.98/94,651.11 = 38,373.09/x
  3. Step 3: Cross multiply
    68,587.98x = 94,651.11 × 38,373.09
  4. Step 4: Simplify right side
    68,587.98x = 3,632,055,562.63
  5. Step 5: Solve for x
    x = 3,632,055,562.63/68,587.98
  6. Step 6: Final answer
    x = 52,954.70

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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.