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Finding the Fourth Proportional to 68,540.95, 94,585.98 and 38,326.33

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Solution

The fourth proportional to 68,540.95, 94,585.98 and 38,326.33 is: 52,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,540.95 : 94,585.98 = 38,326.33 : x
  2. Step 2: Convert to fraction form
    68,540.95/94,585.98 = 38,326.33/x
  3. Step 3: Cross multiply
    68,540.95x = 94,585.98 × 38,326.33
  4. Step 4: Simplify right side
    68,540.95x = 3,625,133,529.22
  5. Step 5: Solve for x
    x = 3,625,133,529.22/68,540.95
  6. Step 6: Final answer
    x = 52,890.04

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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.