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Finding the Fourth Proportional to 22,073.66, 33,111.72 and 7,082.12

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Solution

The fourth proportional to 22,073.66, 33,111.72 and 7,082.12 is: 10,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,073.66 : 33,111.72 = 7,082.12 : x
  2. Step 2: Convert to fraction form
    22,073.66/33,111.72 = 7,082.12/x
  3. Step 3: Cross multiply
    22,073.66x = 33,111.72 × 7,082.12
  4. Step 4: Simplify right side
    22,073.66x = 234,501,174.45
  5. Step 5: Solve for x
    x = 234,501,174.45/22,073.66
  6. Step 6: Final answer
    x = 10,623.57

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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.