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Finding the Fourth Proportional to 2,235.81, 3,353.98 and 850.18

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Solution

The fourth proportional to 2,235.81, 3,353.98 and 850.18 is: 1,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.81 : 3,353.98 = 850.18 : x
  2. Step 2: Convert to fraction form
    2,235.81/3,353.98 = 850.18/x
  3. Step 3: Cross multiply
    2,235.81x = 3,353.98 × 850.18
  4. Step 4: Simplify right side
    2,235.81x = 2,851,486.72
  5. Step 5: Solve for x
    x = 2,851,486.72/2,235.81
  6. Step 6: Final answer
    x = 1,275.37

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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.