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Finding the Fourth Proportional to 68,060, 93,922.80 and 38,252

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Solution

The fourth proportional to 68,060, 93,922.80 and 38,252 is: 52,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060 : 93,922.80 = 38,252 : x
  2. Step 2: Convert to fraction form
    68,060/93,922.80 = 38,252/x
  3. Step 3: Cross multiply
    68,060x = 93,922.80 × 38,252
  4. Step 4: Simplify right side
    68,060x = 3,592,734,945.60
  5. Step 5: Solve for x
    x = 3,592,734,945.60/68,060
  6. Step 6: Final answer
    x = 52,787.76

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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.