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Finding the Fourth Proportional to 1,244.70, 1,654.16 and 1,244.70

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Solution

The fourth proportional to 1,244.70, 1,654.16 and 1,244.70 is: 1,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.70 : 1,654.16 = 1,244.70 : x
  2. Step 2: Convert to fraction form
    1,244.70/1,654.16 = 1,244.70/x
  3. Step 3: Cross multiply
    1,244.70x = 1,654.16 × 1,244.70
  4. Step 4: Simplify right side
    1,244.70x = 2,058,926.73
  5. Step 5: Solve for x
    x = 2,058,926.73/1,244.70
  6. Step 6: Final answer
    x = 1,654.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.