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Finding the Fourth Proportional to 48,894.71, 67,469.12 and 27,381.47

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Solution

The fourth proportional to 48,894.71, 67,469.12 and 27,381.47 is: 37,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,894.71 : 67,469.12 = 27,381.47 : x
  2. Step 2: Convert to fraction form
    48,894.71/67,469.12 = 27,381.47/x
  3. Step 3: Cross multiply
    48,894.71x = 67,469.12 × 27,381.47
  4. Step 4: Simplify right side
    48,894.71x = 1,847,403,210.95
  5. Step 5: Solve for x
    x = 1,847,403,210.95/48,894.71
  6. Step 6: Final answer
    x = 37,783.29

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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.