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Finding the Fourth Proportional to 64.14, 95.99 and 46.93

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Solution

The fourth proportional to 64.14, 95.99 and 46.93 is: 70.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.14 : 95.99 = 46.93 : x
  2. Step 2: Convert to fraction form
    64.14/95.99 = 46.93/x
  3. Step 3: Cross multiply
    64.14x = 95.99 × 46.93
  4. Step 4: Simplify right side
    64.14x = 4,504.52
  5. Step 5: Solve for x
    x = 4,504.52/64.14
  6. Step 6: Final answer
    x = 70.23

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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.