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Finding the Fourth Proportional to 54.84, 75.64 and 33.01

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Solution

The fourth proportional to 54.84, 75.64 and 33.01 is: 45.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.84 : 75.64 = 33.01 : x
  2. Step 2: Convert to fraction form
    54.84/75.64 = 33.01/x
  3. Step 3: Cross multiply
    54.84x = 75.64 × 33.01
  4. Step 4: Simplify right side
    54.84x = 2,496.88
  5. Step 5: Solve for x
    x = 2,496.88/54.84
  6. Step 6: Final answer
    x = 45.53

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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.