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Finding the Fourth Proportional to 15,797.33, 21,800.31 and 9,084.28

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Solution

The fourth proportional to 15,797.33, 21,800.31 and 9,084.28 is: 12,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.33 : 21,800.31 = 9,084.28 : x
  2. Step 2: Convert to fraction form
    15,797.33/21,800.31 = 9,084.28/x
  3. Step 3: Cross multiply
    15,797.33x = 21,800.31 × 9,084.28
  4. Step 4: Simplify right side
    15,797.33x = 198,040,120.13
  5. Step 5: Solve for x
    x = 198,040,120.13/15,797.33
  6. Step 6: Final answer
    x = 12,536.30

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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.