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Finding the Fourth Proportional to 2,230.56, 3,322.08 and 2,204.64

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Solution

The fourth proportional to 2,230.56, 3,322.08 and 2,204.64 is: 3,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.56 : 3,322.08 = 2,204.64 : x
  2. Step 2: Convert to fraction form
    2,230.56/3,322.08 = 2,204.64/x
  3. Step 3: Cross multiply
    2,230.56x = 3,322.08 × 2,204.64
  4. Step 4: Simplify right side
    2,230.56x = 7,323,990.45
  5. Step 5: Solve for x
    x = 7,323,990.45/2,230.56
  6. Step 6: Final answer
    x = 3,283.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.