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Finding the Fourth Proportional to 53.36, 73.57 and 44.65

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Solution

The fourth proportional to 53.36, 73.57 and 44.65 is: 61.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.36 : 73.57 = 44.65 : x
  2. Step 2: Convert to fraction form
    53.36/73.57 = 44.65/x
  3. Step 3: Cross multiply
    53.36x = 73.57 × 44.65
  4. Step 4: Simplify right side
    53.36x = 3,284.90
  5. Step 5: Solve for x
    x = 3,284.90/53.36
  6. Step 6: Final answer
    x = 61.56

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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.