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Finding the Fourth Proportional to 22.01, 32.98 and 10.59

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Solution

The fourth proportional to 22.01, 32.98 and 10.59 is: 15.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.01 : 32.98 = 10.59 : x
  2. Step 2: Convert to fraction form
    22.01/32.98 = 10.59/x
  3. Step 3: Cross multiply
    22.01x = 32.98 × 10.59
  4. Step 4: Simplify right side
    22.01x = 349.26
  5. Step 5: Solve for x
    x = 349.26/22.01
  6. Step 6: Final answer
    x = 15.87

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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.