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Finding the Fourth Proportional to 5,275.65, 7,917.36 and 2,502.33

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Solution

The fourth proportional to 5,275.65, 7,917.36 and 2,502.33 is: 3,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.65 : 7,917.36 = 2,502.33 : x
  2. Step 2: Convert to fraction form
    5,275.65/7,917.36 = 2,502.33/x
  3. Step 3: Cross multiply
    5,275.65x = 7,917.36 × 2,502.33
  4. Step 4: Simplify right side
    5,275.65x = 19,811,847.45
  5. Step 5: Solve for x
    x = 19,811,847.45/5,275.65
  6. Step 6: Final answer
    x = 3,755.34

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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.