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Finding the Fourth Proportional to 15,797.07, 21,799.26 and 8,723.34

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Solution

The fourth proportional to 15,797.07, 21,799.26 and 8,723.34 is: 12,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.07 : 21,799.26 = 8,723.34 : x
  2. Step 2: Convert to fraction form
    15,797.07/21,799.26 = 8,723.34/x
  3. Step 3: Cross multiply
    15,797.07x = 21,799.26 × 8,723.34
  4. Step 4: Simplify right side
    15,797.07x = 190,162,356.73
  5. Step 5: Solve for x
    x = 190,162,356.73/15,797.07
  6. Step 6: Final answer
    x = 12,037.82

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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.