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Finding the Fourth Proportional to 15.03, 22.51 and 9.33

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Solution

The fourth proportional to 15.03, 22.51 and 9.33 is: 13.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.03 : 22.51 = 9.33 : x
  2. Step 2: Convert to fraction form
    15.03/22.51 = 9.33/x
  3. Step 3: Cross multiply
    15.03x = 22.51 × 9.33
  4. Step 4: Simplify right side
    15.03x = 210.02
  5. Step 5: Solve for x
    x = 210.02/15.03
  6. Step 6: Final answer
    x = 13.97

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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.