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Finding the Fourth Proportional to 1,927.53, 2,892.38 and 695.97

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Solution

The fourth proportional to 1,927.53, 2,892.38 and 695.97 is: 1,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.53 : 2,892.38 = 695.97 : x
  2. Step 2: Convert to fraction form
    1,927.53/2,892.38 = 695.97/x
  3. Step 3: Cross multiply
    1,927.53x = 2,892.38 × 695.97
  4. Step 4: Simplify right side
    1,927.53x = 2,013,006.23
  5. Step 5: Solve for x
    x = 2,013,006.23/1,927.53
  6. Step 6: Final answer
    x = 1,044.34

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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.