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Finding the Fourth Proportional to 15.54, 23.33 and 10.46

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Solution

The fourth proportional to 15.54, 23.33 and 10.46 is: 15.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.54 : 23.33 = 10.46 : x
  2. Step 2: Convert to fraction form
    15.54/23.33 = 10.46/x
  3. Step 3: Cross multiply
    15.54x = 23.33 × 10.46
  4. Step 4: Simplify right side
    15.54x = 244.03
  5. Step 5: Solve for x
    x = 244.03/15.54
  6. Step 6: Final answer
    x = 15.70

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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.