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Finding the Fourth Proportional to 68,463.69, 94,479.08 and 38,251.95

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Solution

The fourth proportional to 68,463.69, 94,479.08 and 38,251.95 is: 52,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,463.69 : 94,479.08 = 38,251.95 : x
  2. Step 2: Convert to fraction form
    68,463.69/94,479.08 = 38,251.95/x
  3. Step 3: Cross multiply
    68,463.69x = 94,479.08 × 38,251.95
  4. Step 4: Simplify right side
    68,463.69x = 3,614,008,852.95
  5. Step 5: Solve for x
    x = 3,614,008,852.95/68,463.69
  6. Step 6: Final answer
    x = 52,787.23

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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.