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Finding the Fourth Proportional to 8,842.65, 13,270.79 and 6,069.25

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Solution

The fourth proportional to 8,842.65, 13,270.79 and 6,069.25 is: 9,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.65 : 13,270.79 = 6,069.25 : x
  2. Step 2: Convert to fraction form
    8,842.65/13,270.79 = 6,069.25/x
  3. Step 3: Cross multiply
    8,842.65x = 13,270.79 × 6,069.25
  4. Step 4: Simplify right side
    8,842.65x = 80,543,742.21
  5. Step 5: Solve for x
    x = 80,543,742.21/8,842.65
  6. Step 6: Final answer
    x = 9,108.55

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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.