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Finding the Fourth Proportional to 53.77, 74.04 and 41.44

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Solution

The fourth proportional to 53.77, 74.04 and 41.44 is: 57.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.77 : 74.04 = 41.44 : x
  2. Step 2: Convert to fraction form
    53.77/74.04 = 41.44/x
  3. Step 3: Cross multiply
    53.77x = 74.04 × 41.44
  4. Step 4: Simplify right side
    53.77x = 3,068.22
  5. Step 5: Solve for x
    x = 3,068.22/53.77
  6. Step 6: Final answer
    x = 57.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.