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Finding the Fourth Proportional to 15,797.52, 21,799.68 and 9,082.08

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Solution

The fourth proportional to 15,797.52, 21,799.68 and 9,082.08 is: 12,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.52 : 21,799.68 = 9,082.08 : x
  2. Step 2: Convert to fraction form
    15,797.52/21,799.68 = 9,082.08/x
  3. Step 3: Cross multiply
    15,797.52x = 21,799.68 × 9,082.08
  4. Step 4: Simplify right side
    15,797.52x = 197,986,437.73
  5. Step 5: Solve for x
    x = 197,986,437.73/15,797.52
  6. Step 6: Final answer
    x = 12,532.75

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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.