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Finding the Fourth Proportional to 26.13, 39 and 23.46

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Solution

The fourth proportional to 26.13, 39 and 23.46 is: 35.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.13 : 39 = 23.46 : x
  2. Step 2: Convert to fraction form
    26.13/39 = 23.46/x
  3. Step 3: Cross multiply
    26.13x = 39 × 23.46
  4. Step 4: Simplify right side
    26.13x = 914.94
  5. Step 5: Solve for x
    x = 914.94/26.13
  6. Step 6: Final answer
    x = 35.01

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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.