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Finding the Fourth Proportional to 64.99, 97.45 and 24.37

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Solution

The fourth proportional to 64.99, 97.45 and 24.37 is: 36.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.99 : 97.45 = 24.37 : x
  2. Step 2: Convert to fraction form
    64.99/97.45 = 24.37/x
  3. Step 3: Cross multiply
    64.99x = 97.45 × 24.37
  4. Step 4: Simplify right side
    64.99x = 2,374.55
  5. Step 5: Solve for x
    x = 2,374.55/64.99
  6. Step 6: Final answer
    x = 36.54

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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.