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Finding the Fourth Proportional to 46.68, 69.96 and 29.57

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Solution

The fourth proportional to 46.68, 69.96 and 29.57 is: 44.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.68 : 69.96 = 29.57 : x
  2. Step 2: Convert to fraction form
    46.68/69.96 = 29.57/x
  3. Step 3: Cross multiply
    46.68x = 69.96 × 29.57
  4. Step 4: Simplify right side
    46.68x = 2,068.48
  5. Step 5: Solve for x
    x = 2,068.48/46.68
  6. Step 6: Final answer
    x = 44.32

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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.