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Finding the Fourth Proportional to 22,371.70, 33,558.93 and 9,219.64

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Solution

The fourth proportional to 22,371.70, 33,558.93 and 9,219.64 is: 13,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.70 : 33,558.93 = 9,219.64 : x
  2. Step 2: Convert to fraction form
    22,371.70/33,558.93 = 9,219.64/x
  3. Step 3: Cross multiply
    22,371.70x = 33,558.93 × 9,219.64
  4. Step 4: Simplify right side
    22,371.70x = 309,401,253.39
  5. Step 5: Solve for x
    x = 309,401,253.39/22,371.70
  6. Step 6: Final answer
    x = 13,830.03

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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.