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Finding the Fourth Proportional to 48,681, 67,179.85 and 26,325

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Solution

The fourth proportional to 48,681, 67,179.85 and 26,325 is: 36,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,681 : 67,179.85 = 26,325 : x
  2. Step 2: Convert to fraction form
    48,681/67,179.85 = 26,325/x
  3. Step 3: Cross multiply
    48,681x = 67,179.85 × 26,325
  4. Step 4: Simplify right side
    48,681x = 1,768,509,485.44
  5. Step 5: Solve for x
    x = 1,768,509,485.44/48,681
  6. Step 6: Final answer
    x = 36,328.54

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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.