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Finding the Fourth Proportional to 1,193.26, 1,646.24 and 744.88

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Solution

The fourth proportional to 1,193.26, 1,646.24 and 744.88 is: 1,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.26 : 1,646.24 = 744.88 : x
  2. Step 2: Convert to fraction form
    1,193.26/1,646.24 = 744.88/x
  3. Step 3: Cross multiply
    1,193.26x = 1,646.24 × 744.88
  4. Step 4: Simplify right side
    1,193.26x = 1,226,251.25
  5. Step 5: Solve for x
    x = 1,226,251.25/1,193.26
  6. Step 6: Final answer
    x = 1,027.65

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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.