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Finding the Fourth Proportional to 48,795, 67,337.15 and 26,439

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Solution

The fourth proportional to 48,795, 67,337.15 and 26,439 is: 36,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,795 : 67,337.15 = 26,439 : x
  2. Step 2: Convert to fraction form
    48,795/67,337.15 = 26,439/x
  3. Step 3: Cross multiply
    48,795x = 67,337.15 × 26,439
  4. Step 4: Simplify right side
    48,795x = 1,780,326,776.66
  5. Step 5: Solve for x
    x = 1,780,326,776.66/48,795
  6. Step 6: Final answer
    x = 36,485.84

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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.