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Finding the Fourth Proportional to 48,689.88, 67,190.90 and 27,468.60

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Solution

The fourth proportional to 48,689.88, 67,190.90 and 27,468.60 is: 37,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.88 : 67,190.90 = 27,468.60 : x
  2. Step 2: Convert to fraction form
    48,689.88/67,190.90 = 27,468.60/x
  3. Step 3: Cross multiply
    48,689.88x = 67,190.90 × 27,468.60
  4. Step 4: Simplify right side
    48,689.88x = 1,845,639,955.74
  5. Step 5: Solve for x
    x = 1,845,639,955.74/48,689.88
  6. Step 6: Final answer
    x = 37,906.03

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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.