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Finding the Fourth Proportional to 43.58, 65.34 and 24.32

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Solution

The fourth proportional to 43.58, 65.34 and 24.32 is: 36.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.58 : 65.34 = 24.32 : x
  2. Step 2: Convert to fraction form
    43.58/65.34 = 24.32/x
  3. Step 3: Cross multiply
    43.58x = 65.34 × 24.32
  4. Step 4: Simplify right side
    43.58x = 1,589.07
  5. Step 5: Solve for x
    x = 1,589.07/43.58
  6. Step 6: Final answer
    x = 36.46

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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.