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Finding the Fourth Proportional to 62.07, 93.49 and 52.65

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Solution

The fourth proportional to 62.07, 93.49 and 52.65 is: 79.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.07 : 93.49 = 52.65 : x
  2. Step 2: Convert to fraction form
    62.07/93.49 = 52.65/x
  3. Step 3: Cross multiply
    62.07x = 93.49 × 52.65
  4. Step 4: Simplify right side
    62.07x = 4,922.25
  5. Step 5: Solve for x
    x = 4,922.25/62.07
  6. Step 6: Final answer
    x = 79.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.