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Finding the Fourth Proportional to 4,842.95, 6,680.76 and 3,948.08

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Solution

The fourth proportional to 4,842.95, 6,680.76 and 3,948.08 is: 5,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.95 : 6,680.76 = 3,948.08 : x
  2. Step 2: Convert to fraction form
    4,842.95/6,680.76 = 3,948.08/x
  3. Step 3: Cross multiply
    4,842.95x = 6,680.76 × 3,948.08
  4. Step 4: Simplify right side
    4,842.95x = 26,376,174.94
  5. Step 5: Solve for x
    x = 26,376,174.94/4,842.95
  6. Step 6: Final answer
    x = 5,446.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.