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Finding the Fourth Proportional to 62,512.97, 93,772.49 and 20,392.97

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Solution

The fourth proportional to 62,512.97, 93,772.49 and 20,392.97 is: 30,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,512.97 : 93,772.49 = 20,392.97 : x
  2. Step 2: Convert to fraction form
    62,512.97/93,772.49 = 20,392.97/x
  3. Step 3: Cross multiply
    62,512.97x = 93,772.49 × 20,392.97
  4. Step 4: Simplify right side
    62,512.97x = 1,912,299,707.86
  5. Step 5: Solve for x
    x = 1,912,299,707.86/62,512.97
  6. Step 6: Final answer
    x = 30,590.45

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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.