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Finding the Fourth Proportional to 67,767.80, 93,520.12 and 37,553.63

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Solution

The fourth proportional to 67,767.80, 93,520.12 and 37,553.63 is: 51,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,767.80 : 93,520.12 = 37,553.63 : x
  2. Step 2: Convert to fraction form
    67,767.80/93,520.12 = 37,553.63/x
  3. Step 3: Cross multiply
    67,767.80x = 93,520.12 × 37,553.63
  4. Step 4: Simplify right side
    67,767.80x = 3,512,019,984.04
  5. Step 5: Solve for x
    x = 3,512,019,984.04/67,767.80
  6. Step 6: Final answer
    x = 51,824.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.