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Finding the Fourth Proportional to 29.04, 43.53 and 10.99

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Solution

The fourth proportional to 29.04, 43.53 and 10.99 is: 16.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.04 : 43.53 = 10.99 : x
  2. Step 2: Convert to fraction form
    29.04/43.53 = 10.99/x
  3. Step 3: Cross multiply
    29.04x = 43.53 × 10.99
  4. Step 4: Simplify right side
    29.04x = 478.39
  5. Step 5: Solve for x
    x = 478.39/29.04
  6. Step 6: Final answer
    x = 16.47

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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.