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Finding the Fourth Proportional to 49.35, 74.07 and 37.35

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Solution

The fourth proportional to 49.35, 74.07 and 37.35 is: 56.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.35 : 74.07 = 37.35 : x
  2. Step 2: Convert to fraction form
    49.35/74.07 = 37.35/x
  3. Step 3: Cross multiply
    49.35x = 74.07 × 37.35
  4. Step 4: Simplify right side
    49.35x = 2,766.51
  5. Step 5: Solve for x
    x = 2,766.51/49.35
  6. Step 6: Final answer
    x = 56.06

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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.