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Finding the Fourth Proportional to 4,750, 6,554.88 and 2,654.14

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Solution

The fourth proportional to 4,750, 6,554.88 and 2,654.14 is: 3,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750 : 6,554.88 = 2,654.14 : x
  2. Step 2: Convert to fraction form
    4,750/6,554.88 = 2,654.14/x
  3. Step 3: Cross multiply
    4,750x = 6,554.88 × 2,654.14
  4. Step 4: Simplify right side
    4,750x = 17,397,569.20
  5. Step 5: Solve for x
    x = 17,397,569.20/4,750
  6. Step 6: Final answer
    x = 3,662.65

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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.