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Finding the Fourth Proportional to 44.34, 61.01 and 40.74

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Solution

The fourth proportional to 44.34, 61.01 and 40.74 is: 56.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.34 : 61.01 = 40.74 : x
  2. Step 2: Convert to fraction form
    44.34/61.01 = 40.74/x
  3. Step 3: Cross multiply
    44.34x = 61.01 × 40.74
  4. Step 4: Simplify right side
    44.34x = 2,485.55
  5. Step 5: Solve for x
    x = 2,485.55/44.34
  6. Step 6: Final answer
    x = 56.06

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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.