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Finding the Fourth Proportional to 64.05, 96 and 46.83

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Solution

The fourth proportional to 64.05, 96 and 46.83 is: 70.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.05 : 96 = 46.83 : x
  2. Step 2: Convert to fraction form
    64.05/96 = 46.83/x
  3. Step 3: Cross multiply
    64.05x = 96 × 46.83
  4. Step 4: Simplify right side
    64.05x = 4,495.68
  5. Step 5: Solve for x
    x = 4,495.68/64.05
  6. Step 6: Final answer
    x = 70.19

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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.