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Finding the Fourth Proportional to 46.58, 69.76 and 29.43

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Solution

The fourth proportional to 46.58, 69.76 and 29.43 is: 44.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.58 : 69.76 = 29.43 : x
  2. Step 2: Convert to fraction form
    46.58/69.76 = 29.43/x
  3. Step 3: Cross multiply
    46.58x = 69.76 × 29.43
  4. Step 4: Simplify right side
    46.58x = 2,053.07
  5. Step 5: Solve for x
    x = 2,053.07/46.58
  6. Step 6: Final answer
    x = 44.08

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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.