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Finding the Fourth Proportional to 67,460.80, 101,110.20 and 27,997.60

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Solution

The fourth proportional to 67,460.80, 101,110.20 and 27,997.60 is: 41,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,460.80 : 101,110.20 = 27,997.60 : x
  2. Step 2: Convert to fraction form
    67,460.80/101,110.20 = 27,997.60/x
  3. Step 3: Cross multiply
    67,460.80x = 101,110.20 × 27,997.60
  4. Step 4: Simplify right side
    67,460.80x = 2,830,842,935.52
  5. Step 5: Solve for x
    x = 2,830,842,935.52/67,460.80
  6. Step 6: Final answer
    x = 41,962.78

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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.