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Finding the Fourth Proportional to 8,924.65, 13,375.15 and 4,755.68

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Solution

The fourth proportional to 8,924.65, 13,375.15 and 4,755.68 is: 7,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.65 : 13,375.15 = 4,755.68 : x
  2. Step 2: Convert to fraction form
    8,924.65/13,375.15 = 4,755.68/x
  3. Step 3: Cross multiply
    8,924.65x = 13,375.15 × 4,755.68
  4. Step 4: Simplify right side
    8,924.65x = 63,607,933.35
  5. Step 5: Solve for x
    x = 63,607,933.35/8,924.65
  6. Step 6: Final answer
    x = 7,127.22

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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.