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Finding the Fourth Proportional to 22,013.72, 33,001.14 and 8,153.72

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Solution

The fourth proportional to 22,013.72, 33,001.14 and 8,153.72 is: 12,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.72 : 33,001.14 = 8,153.72 : x
  2. Step 2: Convert to fraction form
    22,013.72/33,001.14 = 8,153.72/x
  3. Step 3: Cross multiply
    22,013.72x = 33,001.14 × 8,153.72
  4. Step 4: Simplify right side
    22,013.72x = 269,082,055.24
  5. Step 5: Solve for x
    x = 269,082,055.24/22,013.72
  6. Step 6: Final answer
    x = 12,223.38

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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.