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Finding the Fourth Proportional to 62,193.63, 93,305.02 and 20,640.63

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Solution

The fourth proportional to 62,193.63, 93,305.02 and 20,640.63 is: 30,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,193.63 : 93,305.02 = 20,640.63 : x
  2. Step 2: Convert to fraction form
    62,193.63/93,305.02 = 20,640.63/x
  3. Step 3: Cross multiply
    62,193.63x = 93,305.02 × 20,640.63
  4. Step 4: Simplify right side
    62,193.63x = 1,925,874,394.96
  5. Step 5: Solve for x
    x = 1,925,874,394.96/62,193.63
  6. Step 6: Final answer
    x = 30,965.78

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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.