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Finding the Fourth Proportional to 73.76, 101.82 and 44.66

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Solution

The fourth proportional to 73.76, 101.82 and 44.66 is: 61.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.76 : 101.82 = 44.66 : x
  2. Step 2: Convert to fraction form
    73.76/101.82 = 44.66/x
  3. Step 3: Cross multiply
    73.76x = 101.82 × 44.66
  4. Step 4: Simplify right side
    73.76x = 4,547.28
  5. Step 5: Solve for x
    x = 4,547.28/73.76
  6. Step 6: Final answer
    x = 61.65

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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.