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Finding the Fourth Proportional to 3,502.07, 5,254.70 and 1,310.97

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Solution

The fourth proportional to 3,502.07, 5,254.70 and 1,310.97 is: 1,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.07 : 5,254.70 = 1,310.97 : x
  2. Step 2: Convert to fraction form
    3,502.07/5,254.70 = 1,310.97/x
  3. Step 3: Cross multiply
    3,502.07x = 5,254.70 × 1,310.97
  4. Step 4: Simplify right side
    3,502.07x = 6,888,754.88
  5. Step 5: Solve for x
    x = 6,888,754.88/3,502.07
  6. Step 6: Final answer
    x = 1,967.05

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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.