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Finding the Fourth Proportional to 53.44, 73.62 and 51.01

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Solution

The fourth proportional to 53.44, 73.62 and 51.01 is: 70.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.44 : 73.62 = 51.01 : x
  2. Step 2: Convert to fraction form
    53.44/73.62 = 51.01/x
  3. Step 3: Cross multiply
    53.44x = 73.62 × 51.01
  4. Step 4: Simplify right side
    53.44x = 3,755.17
  5. Step 5: Solve for x
    x = 3,755.17/53.44
  6. Step 6: Final answer
    x = 70.27

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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.