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Finding the Fourth Proportional to 22,223.99, 30,664.22 and 13,270.11

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Solution

The fourth proportional to 22,223.99, 30,664.22 and 13,270.11 is: 18,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.99 : 30,664.22 = 13,270.11 : x
  2. Step 2: Convert to fraction form
    22,223.99/30,664.22 = 13,270.11/x
  3. Step 3: Cross multiply
    22,223.99x = 30,664.22 × 13,270.11
  4. Step 4: Simplify right side
    22,223.99x = 406,917,506.11
  5. Step 5: Solve for x
    x = 406,917,506.11/22,223.99
  6. Step 6: Final answer
    x = 18,309.84

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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.