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Finding the Fourth Proportional to 1,814.92, 2,504.16 and 1,069

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Solution

The fourth proportional to 1,814.92, 2,504.16 and 1,069 is: 1,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.92 : 2,504.16 = 1,069 : x
  2. Step 2: Convert to fraction form
    1,814.92/2,504.16 = 1,069/x
  3. Step 3: Cross multiply
    1,814.92x = 2,504.16 × 1,069
  4. Step 4: Simplify right side
    1,814.92x = 2,676,947.04
  5. Step 5: Solve for x
    x = 2,676,947.04/1,814.92
  6. Step 6: Final answer
    x = 1,474.97

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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.