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Finding the Fourth Proportional to 37.65, 56.49 and 37.53

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Solution

The fourth proportional to 37.65, 56.49 and 37.53 is: 56.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.65 : 56.49 = 37.53 : x
  2. Step 2: Convert to fraction form
    37.65/56.49 = 37.53/x
  3. Step 3: Cross multiply
    37.65x = 56.49 × 37.53
  4. Step 4: Simplify right side
    37.65x = 2,120.07
  5. Step 5: Solve for x
    x = 2,120.07/37.65
  6. Step 6: Final answer
    x = 56.31

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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.