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Finding the Fourth Proportional to 44.56, 66.88 and 37.42

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Solution

The fourth proportional to 44.56, 66.88 and 37.42 is: 56.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.56 : 66.88 = 37.42 : x
  2. Step 2: Convert to fraction form
    44.56/66.88 = 37.42/x
  3. Step 3: Cross multiply
    44.56x = 66.88 × 37.42
  4. Step 4: Simplify right side
    44.56x = 2,502.65
  5. Step 5: Solve for x
    x = 2,502.65/44.56
  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.