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Finding the Fourth Proportional to 8,375.02, 12,552.96 and 4,678.96

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Solution

The fourth proportional to 8,375.02, 12,552.96 and 4,678.96 is: 7,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.02 : 12,552.96 = 4,678.96 : x
  2. Step 2: Convert to fraction form
    8,375.02/12,552.96 = 4,678.96/x
  3. Step 3: Cross multiply
    8,375.02x = 12,552.96 × 4,678.96
  4. Step 4: Simplify right side
    8,375.02x = 58,734,797.72
  5. Step 5: Solve for x
    x = 58,734,797.72/8,375.02
  6. Step 6: Final answer
    x = 7,013.09

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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.