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Finding the Fourth Proportional to 23.04, 34.50 and 10.99

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Solution

The fourth proportional to 23.04, 34.50 and 10.99 is: 16.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.04 : 34.50 = 10.99 : x
  2. Step 2: Convert to fraction form
    23.04/34.50 = 10.99/x
  3. Step 3: Cross multiply
    23.04x = 34.50 × 10.99
  4. Step 4: Simplify right side
    23.04x = 379.16
  5. Step 5: Solve for x
    x = 379.16/23.04
  6. Step 6: Final answer
    x = 16.46

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1.5x scale

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.