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Finding the Fourth Proportional to 9,168.27, 13,752.27 and 2,928.25

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Solution

The fourth proportional to 9,168.27, 13,752.27 and 2,928.25 is: 4,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.27 : 13,752.27 = 2,928.25 : x
  2. Step 2: Convert to fraction form
    9,168.27/13,752.27 = 2,928.25/x
  3. Step 3: Cross multiply
    9,168.27x = 13,752.27 × 2,928.25
  4. Step 4: Simplify right side
    9,168.27x = 40,270,084.63
  5. Step 5: Solve for x
    x = 40,270,084.63/9,168.27
  6. Step 6: Final answer
    x = 4,392.33

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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.