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Finding the Fourth Proportional to 9,323.54, 13,976.99 and 3,480.42

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Solution

The fourth proportional to 9,323.54, 13,976.99 and 3,480.42 is: 5,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.54 : 13,976.99 = 3,480.42 : x
  2. Step 2: Convert to fraction form
    9,323.54/13,976.99 = 3,480.42/x
  3. Step 3: Cross multiply
    9,323.54x = 13,976.99 × 3,480.42
  4. Step 4: Simplify right side
    9,323.54x = 48,645,795.54
  5. Step 5: Solve for x
    x = 48,645,795.54/9,323.54
  6. Step 6: Final answer
    x = 5,217.52

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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.