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Finding the Fourth Proportional to 9,191.66, 13,793.61 and 5,907.11

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Solution

The fourth proportional to 9,191.66, 13,793.61 and 5,907.11 is: 8,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.66 : 13,793.61 = 5,907.11 : x
  2. Step 2: Convert to fraction form
    9,191.66/13,793.61 = 5,907.11/x
  3. Step 3: Cross multiply
    9,191.66x = 13,793.61 × 5,907.11
  4. Step 4: Simplify right side
    9,191.66x = 81,480,302.60
  5. Step 5: Solve for x
    x = 81,480,302.60/9,191.66
  6. Step 6: Final answer
    x = 8,864.60

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