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Finding the Fourth Proportional to 48,580.80, 67,040.16 and 27,359.60

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Solution

The fourth proportional to 48,580.80, 67,040.16 and 27,359.60 is: 37,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,580.80 : 67,040.16 = 27,359.60 : x
  2. Step 2: Convert to fraction form
    48,580.80/67,040.16 = 27,359.60/x
  3. Step 3: Cross multiply
    48,580.80x = 67,040.16 × 27,359.60
  4. Step 4: Simplify right side
    48,580.80x = 1,834,191,961.54
  5. Step 5: Solve for x
    x = 1,834,191,961.54/48,580.80
  6. Step 6: Final answer
    x = 37,755.49

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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.