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Finding the Fourth Proportional to 44.19, 61.04 and 39.03

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Solution

The fourth proportional to 44.19, 61.04 and 39.03 is: 53.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.19 : 61.04 = 39.03 : x
  2. Step 2: Convert to fraction form
    44.19/61.04 = 39.03/x
  3. Step 3: Cross multiply
    44.19x = 61.04 × 39.03
  4. Step 4: Simplify right side
    44.19x = 2,382.26
  5. Step 5: Solve for x
    x = 2,382.26/44.19
  6. Step 6: Final answer
    x = 53.91

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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.