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Finding the Fourth Proportional to 48,674, 67,170.12 and 26,318

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Solution

The fourth proportional to 48,674, 67,170.12 and 26,318 is: 36,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,674 : 67,170.12 = 26,318 : x
  2. Step 2: Convert to fraction form
    48,674/67,170.12 = 26,318/x
  3. Step 3: Cross multiply
    48,674x = 67,170.12 × 26,318
  4. Step 4: Simplify right side
    48,674x = 1,767,783,218.16
  5. Step 5: Solve for x
    x = 1,767,783,218.16/48,674
  6. Step 6: Final answer
    x = 36,318.84

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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.