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Finding the Fourth Proportional to 22,561.84, 33,805.77 and 15,976.20

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Solution

The fourth proportional to 22,561.84, 33,805.77 and 15,976.20 is: 23,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.84 : 33,805.77 = 15,976.20 : x
  2. Step 2: Convert to fraction form
    22,561.84/33,805.77 = 15,976.20/x
  3. Step 3: Cross multiply
    22,561.84x = 33,805.77 × 15,976.20
  4. Step 4: Simplify right side
    22,561.84x = 540,087,742.67
  5. Step 5: Solve for x
    x = 540,087,742.67/22,561.84
  6. Step 6: Final answer
    x = 23,938.11

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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.