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Finding the Fourth Proportional to 63, 93.96 and 58.44

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Solution

The fourth proportional to 63, 93.96 and 58.44 is: 87.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63 : 93.96 = 58.44 : x
  2. Step 2: Convert to fraction form
    63/93.96 = 58.44/x
  3. Step 3: Cross multiply
    63x = 93.96 × 58.44
  4. Step 4: Simplify right side
    63x = 5,491.02
  5. Step 5: Solve for x
    x = 5,491.02/63
  6. Step 6: Final answer
    x = 87.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.