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Finding the Fourth Proportional to 5,460.88, 7,536.02 and 2,976.88

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Solution

The fourth proportional to 5,460.88, 7,536.02 and 2,976.88 is: 4,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.88 : 7,536.02 = 2,976.88 : x
  2. Step 2: Convert to fraction form
    5,460.88/7,536.02 = 2,976.88/x
  3. Step 3: Cross multiply
    5,460.88x = 7,536.02 × 2,976.88
  4. Step 4: Simplify right side
    5,460.88x = 22,433,774.65
  5. Step 5: Solve for x
    x = 22,433,774.65/5,460.88
  6. Step 6: Final answer
    x = 4,108.09

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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.