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Finding the Fourth Proportional to 68,554.42, 94,604.72 and 38,339.74

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Solution

The fourth proportional to 68,554.42, 94,604.72 and 38,339.74 is: 52,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,554.42 : 94,604.72 = 38,339.74 : x
  2. Step 2: Convert to fraction form
    68,554.42/94,604.72 = 38,339.74/x
  3. Step 3: Cross multiply
    68,554.42x = 94,604.72 × 38,339.74
  4. Step 4: Simplify right side
    68,554.42x = 3,627,120,367.57
  5. Step 5: Solve for x
    x = 3,627,120,367.57/68,554.42
  6. Step 6: Final answer
    x = 52,908.63

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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.