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Finding the Fourth Proportional to 6,363.76, 9,543.36 and 2,202.65

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Solution

The fourth proportional to 6,363.76, 9,543.36 and 2,202.65 is: 3,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.76 : 9,543.36 = 2,202.65 : x
  2. Step 2: Convert to fraction form
    6,363.76/9,543.36 = 2,202.65/x
  3. Step 3: Cross multiply
    6,363.76x = 9,543.36 × 2,202.65
  4. Step 4: Simplify right side
    6,363.76x = 21,020,681.90
  5. Step 5: Solve for x
    x = 21,020,681.90/6,363.76
  6. Step 6: Final answer
    x = 3,303.19

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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.