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Finding the Fourth Proportional to 64.69, 96.98 and 24.10

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Solution

The fourth proportional to 64.69, 96.98 and 24.10 is: 36.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.69 : 96.98 = 24.10 : x
  2. Step 2: Convert to fraction form
    64.69/96.98 = 24.10/x
  3. Step 3: Cross multiply
    64.69x = 96.98 × 24.10
  4. Step 4: Simplify right side
    64.69x = 2,337.22
  5. Step 5: Solve for x
    x = 2,337.22/64.69
  6. Step 6: Final answer
    x = 36.13

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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.