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Finding the Fourth Proportional to 62.06, 93 and 47.60

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Solution

The fourth proportional to 62.06, 93 and 47.60 is: 71.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.06 : 93 = 47.60 : x
  2. Step 2: Convert to fraction form
    62.06/93 = 47.60/x
  3. Step 3: Cross multiply
    62.06x = 93 × 47.60
  4. Step 4: Simplify right side
    62.06x = 4,426.80
  5. Step 5: Solve for x
    x = 4,426.80/62.06
  6. Step 6: Final answer
    x = 71.33

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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.