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Finding the Fourth Proportional to 5,895.78, 8,844.21 and 2,972.22

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Solution

The fourth proportional to 5,895.78, 8,844.21 and 2,972.22 is: 4,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.78 : 8,844.21 = 2,972.22 : x
  2. Step 2: Convert to fraction form
    5,895.78/8,844.21 = 2,972.22/x
  3. Step 3: Cross multiply
    5,895.78x = 8,844.21 × 2,972.22
  4. Step 4: Simplify right side
    5,895.78x = 26,286,937.85
  5. Step 5: Solve for x
    x = 26,286,937.85/5,895.78
  6. Step 6: Final answer
    x = 4,458.60

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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.