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Finding the Fourth Proportional to 62.18, 93.27 and 46.99

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Solution

The fourth proportional to 62.18, 93.27 and 46.99 is: 70.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.18 : 93.27 = 46.99 : x
  2. Step 2: Convert to fraction form
    62.18/93.27 = 46.99/x
  3. Step 3: Cross multiply
    62.18x = 93.27 × 46.99
  4. Step 4: Simplify right side
    62.18x = 4,382.79
  5. Step 5: Solve for x
    x = 4,382.79/62.18
  6. Step 6: Final answer
    x = 70.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.