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Finding the Fourth Proportional to 54.04, 74.58 and 33.34

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Solution

The fourth proportional to 54.04, 74.58 and 33.34 is: 46.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.04 : 74.58 = 33.34 : x
  2. Step 2: Convert to fraction form
    54.04/74.58 = 33.34/x
  3. Step 3: Cross multiply
    54.04x = 74.58 × 33.34
  4. Step 4: Simplify right side
    54.04x = 2,486.50
  5. Step 5: Solve for x
    x = 2,486.50/54.04
  6. Step 6: Final answer
    x = 46.01

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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.