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Finding the Fourth Proportional to 60.64, 83.72 and 44.24

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Solution

The fourth proportional to 60.64, 83.72 and 44.24 is: 61.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.64 : 83.72 = 44.24 : x
  2. Step 2: Convert to fraction form
    60.64/83.72 = 44.24/x
  3. Step 3: Cross multiply
    60.64x = 83.72 × 44.24
  4. Step 4: Simplify right side
    60.64x = 3,703.77
  5. Step 5: Solve for x
    x = 3,703.77/60.64
  6. Step 6: Final answer
    x = 61.08

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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.