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Finding the Fourth Proportional to 1,694.52, 2,338.44 and 948.48

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Solution

The fourth proportional to 1,694.52, 2,338.44 and 948.48 is: 1,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.52 : 2,338.44 = 948.48 : x
  2. Step 2: Convert to fraction form
    1,694.52/2,338.44 = 948.48/x
  3. Step 3: Cross multiply
    1,694.52x = 2,338.44 × 948.48
  4. Step 4: Simplify right side
    1,694.52x = 2,217,963.57
  5. Step 5: Solve for x
    x = 2,217,963.57/1,694.52
  6. Step 6: Final answer
    x = 1,308.90

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1.5x scale

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.