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Finding the Fourth Proportional to 92.44, 127.58 and 53.63

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Solution

The fourth proportional to 92.44, 127.58 and 53.63 is: 74.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.44 : 127.58 = 53.63 : x
  2. Step 2: Convert to fraction form
    92.44/127.58 = 53.63/x
  3. Step 3: Cross multiply
    92.44x = 127.58 × 53.63
  4. Step 4: Simplify right side
    92.44x = 6,841.21
  5. Step 5: Solve for x
    x = 6,841.21/92.44
  6. Step 6: Final answer
    x = 74.01

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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.