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Finding the Fourth Proportional to 15.60, 23.27 and 14.33

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Solution

The fourth proportional to 15.60, 23.27 and 14.33 is: 21.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.60 : 23.27 = 14.33 : x
  2. Step 2: Convert to fraction form
    15.60/23.27 = 14.33/x
  3. Step 3: Cross multiply
    15.60x = 23.27 × 14.33
  4. Step 4: Simplify right side
    15.60x = 333.55
  5. Step 5: Solve for x
    x = 333.55/15.60
  6. Step 6: Final answer
    x = 21.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.