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Finding the Fourth Proportional to 2,235.52, 3,353.64 and 937.12

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Solution

The fourth proportional to 2,235.52, 3,353.64 and 937.12 is: 1,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.52 : 3,353.64 = 937.12 : x
  2. Step 2: Convert to fraction form
    2,235.52/3,353.64 = 937.12/x
  3. Step 3: Cross multiply
    2,235.52x = 3,353.64 × 937.12
  4. Step 4: Simplify right side
    2,235.52x = 3,142,763.12
  5. Step 5: Solve for x
    x = 3,142,763.12/2,235.52
  6. Step 6: Final answer
    x = 1,405.83

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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.