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Finding the Fourth Proportional to 46.34, 64 and 36.68

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Solution

The fourth proportional to 46.34, 64 and 36.68 is: 50.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.34 : 64 = 36.68 : x
  2. Step 2: Convert to fraction form
    46.34/64 = 36.68/x
  3. Step 3: Cross multiply
    46.34x = 64 × 36.68
  4. Step 4: Simplify right side
    46.34x = 2,347.52
  5. Step 5: Solve for x
    x = 2,347.52/46.34
  6. Step 6: Final answer
    x = 50.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.