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Finding the Fourth Proportional to 15.04, 22.38 and 14.99

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Solution

The fourth proportional to 15.04, 22.38 and 14.99 is: 22.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.04 : 22.38 = 14.99 : x
  2. Step 2: Convert to fraction form
    15.04/22.38 = 14.99/x
  3. Step 3: Cross multiply
    15.04x = 22.38 × 14.99
  4. Step 4: Simplify right side
    15.04x = 335.43
  5. Step 5: Solve for x
    x = 335.43/15.04
  6. Step 6: Final answer
    x = 22.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.