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Finding the Fourth Proportional to 22,363.20, 33,559.20 and 13,003.20

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Solution

The fourth proportional to 22,363.20, 33,559.20 and 13,003.20 is: 19,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.20 : 33,559.20 = 13,003.20 : x
  2. Step 2: Convert to fraction form
    22,363.20/33,559.20 = 13,003.20/x
  3. Step 3: Cross multiply
    22,363.20x = 33,559.20 × 13,003.20
  4. Step 4: Simplify right side
    22,363.20x = 436,376,989.44
  5. Step 5: Solve for x
    x = 436,376,989.44/22,363.20
  6. Step 6: Final answer
    x = 19,513.17

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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.