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Finding the Fourth Proportional to 9,868.56, 14,791.68 and 3,293.20

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Solution

The fourth proportional to 9,868.56, 14,791.68 and 3,293.20 is: 4,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.56 : 14,791.68 = 3,293.20 : x
  2. Step 2: Convert to fraction form
    9,868.56/14,791.68 = 3,293.20/x
  3. Step 3: Cross multiply
    9,868.56x = 14,791.68 × 3,293.20
  4. Step 4: Simplify right side
    9,868.56x = 48,711,960.58
  5. Step 5: Solve for x
    x = 48,711,960.58/9,868.56
  6. Step 6: Final answer
    x = 4,936.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.