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Finding the Fourth Proportional to 2,530.09, 3,796.85 and 886.65

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Solution

The fourth proportional to 2,530.09, 3,796.85 and 886.65 is: 1,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.09 : 3,796.85 = 886.65 : x
  2. Step 2: Convert to fraction form
    2,530.09/3,796.85 = 886.65/x
  3. Step 3: Cross multiply
    2,530.09x = 3,796.85 × 886.65
  4. Step 4: Simplify right side
    2,530.09x = 3,366,472.62
  5. Step 5: Solve for x
    x = 3,366,472.62/2,530.09
  6. Step 6: Final answer
    x = 1,330.57

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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.