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Finding the Fourth Proportional to 44.41, 66.53 and 41.45

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Solution

The fourth proportional to 44.41, 66.53 and 41.45 is: 62.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.41 : 66.53 = 41.45 : x
  2. Step 2: Convert to fraction form
    44.41/66.53 = 41.45/x
  3. Step 3: Cross multiply
    44.41x = 66.53 × 41.45
  4. Step 4: Simplify right side
    44.41x = 2,757.67
  5. Step 5: Solve for x
    x = 2,757.67/44.41
  6. Step 6: Final answer
    x = 62.10

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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.