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Finding the Fourth Proportional to 44.29, 66.48 and 35.28

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Solution

The fourth proportional to 44.29, 66.48 and 35.28 is: 52.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.29 : 66.48 = 35.28 : x
  2. Step 2: Convert to fraction form
    44.29/66.48 = 35.28/x
  3. Step 3: Cross multiply
    44.29x = 66.48 × 35.28
  4. Step 4: Simplify right side
    44.29x = 2,345.41
  5. Step 5: Solve for x
    x = 2,345.41/44.29
  6. Step 6: Final answer
    x = 52.96

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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.