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Finding the Fourth Proportional to 22,362.23, 30,859.23 and 12,801.80

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Solution

The fourth proportional to 22,362.23, 30,859.23 and 12,801.80 is: 17,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.23 : 30,859.23 = 12,801.80 : x
  2. Step 2: Convert to fraction form
    22,362.23/30,859.23 = 12,801.80/x
  3. Step 3: Cross multiply
    22,362.23x = 30,859.23 × 12,801.80
  4. Step 4: Simplify right side
    22,362.23x = 395,053,626.61
  5. Step 5: Solve for x
    x = 395,053,626.61/22,362.23
  6. Step 6: Final answer
    x = 17,666.11

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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.