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Finding the Fourth Proportional to 2,193.59, 3,291.86 and 960.29

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Solution

The fourth proportional to 2,193.59, 3,291.86 and 960.29 is: 1,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.59 : 3,291.86 = 960.29 : x
  2. Step 2: Convert to fraction form
    2,193.59/3,291.86 = 960.29/x
  3. Step 3: Cross multiply
    2,193.59x = 3,291.86 × 960.29
  4. Step 4: Simplify right side
    2,193.59x = 3,161,118.98
  5. Step 5: Solve for x
    x = 3,161,118.98/2,193.59
  6. Step 6: Final answer
    x = 1,441.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.