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Finding the Fourth Proportional to 1,794.56, 2,686.98 and 927.04

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Solution

The fourth proportional to 1,794.56, 2,686.98 and 927.04 is: 1,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.56 : 2,686.98 = 927.04 : x
  2. Step 2: Convert to fraction form
    1,794.56/2,686.98 = 927.04/x
  3. Step 3: Cross multiply
    1,794.56x = 2,686.98 × 927.04
  4. Step 4: Simplify right side
    1,794.56x = 2,490,937.94
  5. Step 5: Solve for x
    x = 2,490,937.94/1,794.56
  6. Step 6: Final answer
    x = 1,388.05

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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.