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Finding the Fourth Proportional to 1,952.61, 2,694.57 and 1,068.40

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Solution

The fourth proportional to 1,952.61, 2,694.57 and 1,068.40 is: 1,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.61 : 2,694.57 = 1,068.40 : x
  2. Step 2: Convert to fraction form
    1,952.61/2,694.57 = 1,068.40/x
  3. Step 3: Cross multiply
    1,952.61x = 2,694.57 × 1,068.40
  4. Step 4: Simplify right side
    1,952.61x = 2,878,879.39
  5. Step 5: Solve for x
    x = 2,878,879.39/1,952.61
  6. Step 6: Final answer
    x = 1,474.38

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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.