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Finding the Fourth Proportional to 48,616, 67,090.14 and 26,260

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Solution

The fourth proportional to 48,616, 67,090.14 and 26,260 is: 36,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616 : 67,090.14 = 26,260 : x
  2. Step 2: Convert to fraction form
    48,616/67,090.14 = 26,260/x
  3. Step 3: Cross multiply
    48,616x = 67,090.14 × 26,260
  4. Step 4: Simplify right side
    48,616x = 1,761,787,076.40
  5. Step 5: Solve for x
    x = 1,761,787,076.40/48,616
  6. Step 6: Final answer
    x = 36,238.83

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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.