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Finding the Fourth Proportional to 26.96, 37.20 and 23.48

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Solution

The fourth proportional to 26.96, 37.20 and 23.48 is: 32.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.96 : 37.20 = 23.48 : x
  2. Step 2: Convert to fraction form
    26.96/37.20 = 23.48/x
  3. Step 3: Cross multiply
    26.96x = 37.20 × 23.48
  4. Step 4: Simplify right side
    26.96x = 873.46
  5. Step 5: Solve for x
    x = 873.46/26.96
  6. Step 6: Final answer
    x = 32.40

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Find fourth proportional to 13.48, 18.60 and 11.74
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.