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Finding the Fourth Proportional to 62,163.70, 93,235.65 and 20,610.70

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Solution

The fourth proportional to 62,163.70, 93,235.65 and 20,610.70 is: 30,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,163.70 : 93,235.65 = 20,610.70 : x
  2. Step 2: Convert to fraction form
    62,163.70/93,235.65 = 20,610.70/x
  3. Step 3: Cross multiply
    62,163.70x = 93,235.65 × 20,610.70
  4. Step 4: Simplify right side
    62,163.70x = 1,921,652,011.46
  5. Step 5: Solve for x
    x = 1,921,652,011.46/62,163.70
  6. Step 6: Final answer
    x = 30,912.77

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1.5x scale

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.