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Finding the Fourth Proportional to 2,650.51, 3,657.92 and 1,471.66

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Solution

The fourth proportional to 2,650.51, 3,657.92 and 1,471.66 is: 2,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.51 : 3,657.92 = 1,471.66 : x
  2. Step 2: Convert to fraction form
    2,650.51/3,657.92 = 1,471.66/x
  3. Step 3: Cross multiply
    2,650.51x = 3,657.92 × 1,471.66
  4. Step 4: Simplify right side
    2,650.51x = 5,383,214.55
  5. Step 5: Solve for x
    x = 5,383,214.55/2,650.51
  6. Step 6: Final answer
    x = 2,031.01

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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.