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Finding the Fourth Proportional to 15.04, 22.59 and 9.98

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Solution

The fourth proportional to 15.04, 22.59 and 9.98 is: 14.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.04 : 22.59 = 9.98 : x
  2. Step 2: Convert to fraction form
    15.04/22.59 = 9.98/x
  3. Step 3: Cross multiply
    15.04x = 22.59 × 9.98
  4. Step 4: Simplify right side
    15.04x = 225.45
  5. Step 5: Solve for x
    x = 225.45/15.04
  6. Step 6: Final answer
    x = 14.99

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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.