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Finding the Fourth Proportional to 1,654.97, 2,283.92 and 946.92

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Solution

The fourth proportional to 1,654.97, 2,283.92 and 946.92 is: 1,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.97 : 2,283.92 = 946.92 : x
  2. Step 2: Convert to fraction form
    1,654.97/2,283.92 = 946.92/x
  3. Step 3: Cross multiply
    1,654.97x = 2,283.92 × 946.92
  4. Step 4: Simplify right side
    1,654.97x = 2,162,684.79
  5. Step 5: Solve for x
    x = 2,162,684.79/1,654.97
  6. Step 6: Final answer
    x = 1,306.79

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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.