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Finding the Fourth Proportional to 44.16, 60.88 and 35.45

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Solution

The fourth proportional to 44.16, 60.88 and 35.45 is: 48.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.16 : 60.88 = 35.45 : x
  2. Step 2: Convert to fraction form
    44.16/60.88 = 35.45/x
  3. Step 3: Cross multiply
    44.16x = 60.88 × 35.45
  4. Step 4: Simplify right side
    44.16x = 2,157.71
  5. Step 5: Solve for x
    x = 2,157.71/44.16
  6. Step 6: Final answer
    x = 48.86

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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.