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Finding the Fourth Proportional to 7,227.08, 9,975.04 and 4,704.80

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Solution

The fourth proportional to 7,227.08, 9,975.04 and 4,704.80 is: 6,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.08 : 9,975.04 = 4,704.80 : x
  2. Step 2: Convert to fraction form
    7,227.08/9,975.04 = 4,704.80/x
  3. Step 3: Cross multiply
    7,227.08x = 9,975.04 × 4,704.80
  4. Step 4: Simplify right side
    7,227.08x = 46,930,513.97
  5. Step 5: Solve for x
    x = 46,930,513.97/7,227.08
  6. Step 6: Final answer
    x = 6,493.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.