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Finding the Fourth Proportional to 3,040.93, 4,560.99 and 961.12

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Solution

The fourth proportional to 3,040.93, 4,560.99 and 961.12 is: 1,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.93 : 4,560.99 = 961.12 : x
  2. Step 2: Convert to fraction form
    3,040.93/4,560.99 = 961.12/x
  3. Step 3: Cross multiply
    3,040.93x = 4,560.99 × 961.12
  4. Step 4: Simplify right side
    3,040.93x = 4,383,658.71
  5. Step 5: Solve for x
    x = 4,383,658.71/3,040.93
  6. Step 6: Final answer
    x = 1,441.55

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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.