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Finding the Fourth Proportional to 65.58, 98.34 and 24.43

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Solution

The fourth proportional to 65.58, 98.34 and 24.43 is: 36.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.58 : 98.34 = 24.43 : x
  2. Step 2: Convert to fraction form
    65.58/98.34 = 24.43/x
  3. Step 3: Cross multiply
    65.58x = 98.34 × 24.43
  4. Step 4: Simplify right side
    65.58x = 2,402.82
  5. Step 5: Solve for x
    x = 2,402.82/65.58
  6. Step 6: Final answer
    x = 36.64

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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.