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Finding the Fourth Proportional to 9,794.28, 13,515.48 and 5,760.48

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Solution

The fourth proportional to 9,794.28, 13,515.48 and 5,760.48 is: 7,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794.28 : 13,515.48 = 5,760.48 : x
  2. Step 2: Convert to fraction form
    9,794.28/13,515.48 = 5,760.48/x
  3. Step 3: Cross multiply
    9,794.28x = 13,515.48 × 5,760.48
  4. Step 4: Simplify right side
    9,794.28x = 77,855,652.23
  5. Step 5: Solve for x
    x = 77,855,652.23/9,794.28
  6. Step 6: Final answer
    x = 7,949.09

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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.