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Finding the Fourth Proportional to 32.34, 44.64 and 25.90

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Solution

The fourth proportional to 32.34, 44.64 and 25.90 is: 35.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.34 : 44.64 = 25.90 : x
  2. Step 2: Convert to fraction form
    32.34/44.64 = 25.90/x
  3. Step 3: Cross multiply
    32.34x = 44.64 × 25.90
  4. Step 4: Simplify right side
    32.34x = 1,156.18
  5. Step 5: Solve for x
    x = 1,156.18/32.34
  6. Step 6: Final answer
    x = 35.75

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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.