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Finding the Fourth Proportional to 44.16, 61 and 36.48

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Solution

The fourth proportional to 44.16, 61 and 36.48 is: 50.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.16 : 61 = 36.48 : x
  2. Step 2: Convert to fraction form
    44.16/61 = 36.48/x
  3. Step 3: Cross multiply
    44.16x = 61 × 36.48
  4. Step 4: Simplify right side
    44.16x = 2,225.28
  5. Step 5: Solve for x
    x = 2,225.28/44.16
  6. Step 6: Final answer
    x = 50.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.