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Finding the Fourth Proportional to 9,191.98, 13,787.97 and 3,349.03

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Solution

The fourth proportional to 9,191.98, 13,787.97 and 3,349.03 is: 5,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.98 : 13,787.97 = 3,349.03 : x
  2. Step 2: Convert to fraction form
    9,191.98/13,787.97 = 3,349.03/x
  3. Step 3: Cross multiply
    9,191.98x = 13,787.97 × 3,349.03
  4. Step 4: Simplify right side
    9,191.98x = 46,176,325.17
  5. Step 5: Solve for x
    x = 46,176,325.17/9,191.98
  6. Step 6: Final answer
    x = 5,023.55

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Similar ratio
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1.5x scale

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.