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Finding the Fourth Proportional to 48,669, 67,163.28 and 26,313

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Solution

The fourth proportional to 48,669, 67,163.28 and 26,313 is: 36,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,669 : 67,163.28 = 26,313 : x
  2. Step 2: Convert to fraction form
    48,669/67,163.28 = 26,313/x
  3. Step 3: Cross multiply
    48,669x = 67,163.28 × 26,313
  4. Step 4: Simplify right side
    48,669x = 1,767,267,386.64
  5. Step 5: Solve for x
    x = 1,767,267,386.64/48,669
  6. Step 6: Final answer
    x = 36,311.97

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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.