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Finding the Fourth Proportional to 48,674.50, 67,170.81 and 26,318.50

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Solution

The fourth proportional to 48,674.50, 67,170.81 and 26,318.50 is: 36,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,674.50 : 67,170.81 = 26,318.50 : x
  2. Step 2: Convert to fraction form
    48,674.50/67,170.81 = 26,318.50/x
  3. Step 3: Cross multiply
    48,674.50x = 67,170.81 × 26,318.50
  4. Step 4: Simplify right side
    48,674.50x = 1,767,834,962.99
  5. Step 5: Solve for x
    x = 1,767,834,962.99/48,674.50
  6. Step 6: Final answer
    x = 36,319.53

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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.