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Finding the Fourth Proportional to 22,294.93, 30,767.22 and 12,223.11

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Solution

The fourth proportional to 22,294.93, 30,767.22 and 12,223.11 is: 16,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.93 : 30,767.22 = 12,223.11 : x
  2. Step 2: Convert to fraction form
    22,294.93/30,767.22 = 12,223.11/x
  3. Step 3: Cross multiply
    22,294.93x = 30,767.22 × 12,223.11
  4. Step 4: Simplify right side
    22,294.93x = 376,071,044.02
  5. Step 5: Solve for x
    x = 376,071,044.02/22,294.93
  6. Step 6: Final answer
    x = 16,868.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.