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Finding the Fourth Proportional to 6,627.65, 9,923.72 and 3,501.18

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Solution

The fourth proportional to 6,627.65, 9,923.72 and 3,501.18 is: 5,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.65 : 9,923.72 = 3,501.18 : x
  2. Step 2: Convert to fraction form
    6,627.65/9,923.72 = 3,501.18/x
  3. Step 3: Cross multiply
    6,627.65x = 9,923.72 × 3,501.18
  4. Step 4: Simplify right side
    6,627.65x = 34,744,712.48
  5. Step 5: Solve for x
    x = 34,744,712.48/6,627.65
  6. Step 6: Final answer
    x = 5,242.39

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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.