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Finding the Fourth Proportional to 62,232.70, 93,336.90 and 20,679.70

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Solution

The fourth proportional to 62,232.70, 93,336.90 and 20,679.70 is: 31,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,232.70 : 93,336.90 = 20,679.70 : x
  2. Step 2: Convert to fraction form
    62,232.70/93,336.90 = 20,679.70/x
  3. Step 3: Cross multiply
    62,232.70x = 93,336.90 × 20,679.70
  4. Step 4: Simplify right side
    62,232.70x = 1,930,179,090.93
  5. Step 5: Solve for x
    x = 1,930,179,090.93/62,232.70
  6. Step 6: Final answer
    x = 31,015.51

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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.