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Finding the Fourth Proportional to 6,751.66, 10,120.54 and 2,590.56

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Solution

The fourth proportional to 6,751.66, 10,120.54 and 2,590.56 is: 3,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.66 : 10,120.54 = 2,590.56 : x
  2. Step 2: Convert to fraction form
    6,751.66/10,120.54 = 2,590.56/x
  3. Step 3: Cross multiply
    6,751.66x = 10,120.54 × 2,590.56
  4. Step 4: Simplify right side
    6,751.66x = 26,217,866.10
  5. Step 5: Solve for x
    x = 26,217,866.10/6,751.66
  6. Step 6: Final answer
    x = 3,883.17

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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.