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Finding the Fourth Proportional to 5,253.72, 7,250.08 and 2,895.82

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Solution

The fourth proportional to 5,253.72, 7,250.08 and 2,895.82 is: 3,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.72 : 7,250.08 = 2,895.82 : x
  2. Step 2: Convert to fraction form
    5,253.72/7,250.08 = 2,895.82/x
  3. Step 3: Cross multiply
    5,253.72x = 7,250.08 × 2,895.82
  4. Step 4: Simplify right side
    5,253.72x = 20,994,926.67
  5. Step 5: Solve for x
    x = 20,994,926.67/5,253.72
  6. Step 6: Final answer
    x = 3,996.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.