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Finding the Fourth Proportional to 3,582.33, 5,372.88 and 984.66

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Solution

The fourth proportional to 3,582.33, 5,372.88 and 984.66 is: 1,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.33 : 5,372.88 = 984.66 : x
  2. Step 2: Convert to fraction form
    3,582.33/5,372.88 = 984.66/x
  3. Step 3: Cross multiply
    3,582.33x = 5,372.88 × 984.66
  4. Step 4: Simplify right side
    3,582.33x = 5,290,441.72
  5. Step 5: Solve for x
    x = 5,290,441.72/3,582.33
  6. Step 6: Final answer
    x = 1,476.82

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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.