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Finding the Fourth Proportional to 22,805.32, 34,218.81 and 15,796.12

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Solution

The fourth proportional to 22,805.32, 34,218.81 and 15,796.12 is: 23,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.32 : 34,218.81 = 15,796.12 : x
  2. Step 2: Convert to fraction form
    22,805.32/34,218.81 = 15,796.12/x
  3. Step 3: Cross multiply
    22,805.32x = 34,218.81 × 15,796.12
  4. Step 4: Simplify right side
    22,805.32x = 540,524,284.23
  5. Step 5: Solve for x
    x = 540,524,284.23/22,805.32
  6. Step 6: Final answer
    x = 23,701.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.