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Finding the Fourth Proportional to 22.04, 32.98 and 15.26

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Solution

The fourth proportional to 22.04, 32.98 and 15.26 is: 22.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.04 : 32.98 = 15.26 : x
  2. Step 2: Convert to fraction form
    22.04/32.98 = 15.26/x
  3. Step 3: Cross multiply
    22.04x = 32.98 × 15.26
  4. Step 4: Simplify right side
    22.04x = 503.03
  5. Step 5: Solve for x
    x = 503.03/22.04
  6. Step 6: Final answer
    x = 22.82

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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.