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Finding the Fourth Proportional to 3,228.42, 4,842.60 and 888.44

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Solution

The fourth proportional to 3,228.42, 4,842.60 and 888.44 is: 1,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.42 : 4,842.60 = 888.44 : x
  2. Step 2: Convert to fraction form
    3,228.42/4,842.60 = 888.44/x
  3. Step 3: Cross multiply
    3,228.42x = 4,842.60 × 888.44
  4. Step 4: Simplify right side
    3,228.42x = 4,302,359.54
  5. Step 5: Solve for x
    x = 4,302,359.54/3,228.42
  6. Step 6: Final answer
    x = 1,332.65

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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.