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Finding the Fourth Proportional to 1,859.56, 2,566.02 and 1,073.92

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Solution

The fourth proportional to 1,859.56, 2,566.02 and 1,073.92 is: 1,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.56 : 2,566.02 = 1,073.92 : x
  2. Step 2: Convert to fraction form
    1,859.56/2,566.02 = 1,073.92/x
  3. Step 3: Cross multiply
    1,859.56x = 2,566.02 × 1,073.92
  4. Step 4: Simplify right side
    1,859.56x = 2,755,700.20
  5. Step 5: Solve for x
    x = 2,755,700.20/1,859.56
  6. Step 6: Final answer
    x = 1,481.91

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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.