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Finding the Fourth Proportional to 64.61, 96.85 and 24.01

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Solution

The fourth proportional to 64.61, 96.85 and 24.01 is: 35.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.61 : 96.85 = 24.01 : x
  2. Step 2: Convert to fraction form
    64.61/96.85 = 24.01/x
  3. Step 3: Cross multiply
    64.61x = 96.85 × 24.01
  4. Step 4: Simplify right side
    64.61x = 2,325.57
  5. Step 5: Solve for x
    x = 2,325.57/64.61
  6. Step 6: Final answer
    x = 35.99

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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.