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Finding the Fourth Proportional to 48,671.78, 67,163.02 and 27,456.26

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Solution

The fourth proportional to 48,671.78, 67,163.02 and 27,456.26 is: 37,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.78 : 67,163.02 = 27,456.26 : x
  2. Step 2: Convert to fraction form
    48,671.78/67,163.02 = 27,456.26/x
  3. Step 3: Cross multiply
    48,671.78x = 67,163.02 × 27,456.26
  4. Step 4: Simplify right side
    48,671.78x = 1,844,045,339.51
  5. Step 5: Solve for x
    x = 1,844,045,339.51/48,671.78
  6. Step 6: Final answer
    x = 37,887.36

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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.