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Finding the Fourth Proportional to 2,235.12, 3,352.68 and 773.47

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Solution

The fourth proportional to 2,235.12, 3,352.68 and 773.47 is: 1,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.12 : 3,352.68 = 773.47 : x
  2. Step 2: Convert to fraction form
    2,235.12/3,352.68 = 773.47/x
  3. Step 3: Cross multiply
    2,235.12x = 3,352.68 × 773.47
  4. Step 4: Simplify right side
    2,235.12x = 2,593,197.40
  5. Step 5: Solve for x
    x = 2,593,197.40/2,235.12
  6. Step 6: Final answer
    x = 1,160.21

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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.