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Finding the Fourth Proportional to 74.04, 102.16 and 44.94

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Solution

The fourth proportional to 74.04, 102.16 and 44.94 is: 62.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.04 : 102.16 = 44.94 : x
  2. Step 2: Convert to fraction form
    74.04/102.16 = 44.94/x
  3. Step 3: Cross multiply
    74.04x = 102.16 × 44.94
  4. Step 4: Simplify right side
    74.04x = 4,591.07
  5. Step 5: Solve for x
    x = 4,591.07/74.04
  6. Step 6: Final answer
    x = 62.01

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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.