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Finding the Fourth Proportional to 52.74, 79.01 and 37.49

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Solution

The fourth proportional to 52.74, 79.01 and 37.49 is: 56.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.74 : 79.01 = 37.49 : x
  2. Step 2: Convert to fraction form
    52.74/79.01 = 37.49/x
  3. Step 3: Cross multiply
    52.74x = 79.01 × 37.49
  4. Step 4: Simplify right side
    52.74x = 2,962.08
  5. Step 5: Solve for x
    x = 2,962.08/52.74
  6. Step 6: Final answer
    x = 56.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.