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Finding the Fourth Proportional to 2,928.07, 4,392.08 and 1,195.48

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Solution

The fourth proportional to 2,928.07, 4,392.08 and 1,195.48 is: 1,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.07 : 4,392.08 = 1,195.48 : x
  2. Step 2: Convert to fraction form
    2,928.07/4,392.08 = 1,195.48/x
  3. Step 3: Cross multiply
    2,928.07x = 4,392.08 × 1,195.48
  4. Step 4: Simplify right side
    2,928.07x = 5,250,643.80
  5. Step 5: Solve for x
    x = 5,250,643.80/2,928.07
  6. Step 6: Final answer
    x = 1,793.21

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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.