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Finding the Fourth Proportional to 15.56, 23.34 and 10.48

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Solution

The fourth proportional to 15.56, 23.34 and 10.48 is: 15.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.56 : 23.34 = 10.48 : x
  2. Step 2: Convert to fraction form
    15.56/23.34 = 10.48/x
  3. Step 3: Cross multiply
    15.56x = 23.34 × 10.48
  4. Step 4: Simplify right side
    15.56x = 244.60
  5. Step 5: Solve for x
    x = 244.60/15.56
  6. Step 6: Final answer
    x = 15.72

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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.