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Finding the Fourth Proportional to 62.95, 93.68 and 62.86

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Solution

The fourth proportional to 62.95, 93.68 and 62.86 is: 93.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.95 : 93.68 = 62.86 : x
  2. Step 2: Convert to fraction form
    62.95/93.68 = 62.86/x
  3. Step 3: Cross multiply
    62.95x = 93.68 × 62.86
  4. Step 4: Simplify right side
    62.95x = 5,888.72
  5. Step 5: Solve for x
    x = 5,888.72/62.95
  6. Step 6: Final answer
    x = 93.55

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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.