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Finding the Fourth Proportional to 62,288.70, 93,433 and 20,735.70

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Solution

The fourth proportional to 62,288.70, 93,433 and 20,735.70 is: 31,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,288.70 : 93,433 = 20,735.70 : x
  2. Step 2: Convert to fraction form
    62,288.70/93,433 = 20,735.70/x
  3. Step 3: Cross multiply
    62,288.70x = 93,433 × 20,735.70
  4. Step 4: Simplify right side
    62,288.70x = 1,937,398,658.10
  5. Step 5: Solve for x
    x = 1,937,398,658.10/62,288.70
  6. Step 6: Final answer
    x = 31,103.53

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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.