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Finding the Fourth Proportional to 12.04, 16.59 and 10.98

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Solution

The fourth proportional to 12.04, 16.59 and 10.98 is: 15.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.04 : 16.59 = 10.98 : x
  2. Step 2: Convert to fraction form
    12.04/16.59 = 10.98/x
  3. Step 3: Cross multiply
    12.04x = 16.59 × 10.98
  4. Step 4: Simplify right side
    12.04x = 182.10
  5. Step 5: Solve for x
    x = 182.10/12.04
  6. Step 6: Final answer
    x = 15.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.