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Finding the Fourth Proportional to 32.35, 48.43 and 26.88

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Solution

The fourth proportional to 32.35, 48.43 and 26.88 is: 40.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.35 : 48.43 = 26.88 : x
  2. Step 2: Convert to fraction form
    32.35/48.43 = 26.88/x
  3. Step 3: Cross multiply
    32.35x = 48.43 × 26.88
  4. Step 4: Simplify right side
    32.35x = 1,301.66
  5. Step 5: Solve for x
    x = 1,301.66/32.35
  6. Step 6: Final answer
    x = 40.24

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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.