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Finding the Fourth Proportional to 62.13, 93.41 and 53.01

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Solution

The fourth proportional to 62.13, 93.41 and 53.01 is: 79.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.13 : 93.41 = 53.01 : x
  2. Step 2: Convert to fraction form
    62.13/93.41 = 53.01/x
  3. Step 3: Cross multiply
    62.13x = 93.41 × 53.01
  4. Step 4: Simplify right side
    62.13x = 4,951.66
  5. Step 5: Solve for x
    x = 4,951.66/62.13
  6. Step 6: Final answer
    x = 79.70

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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.