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Finding the Fourth Proportional to 48,905.88, 67,490.46 and 26,549.88

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Solution

The fourth proportional to 48,905.88, 67,490.46 and 26,549.88 is: 36,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.88 : 67,490.46 = 26,549.88 : x
  2. Step 2: Convert to fraction form
    48,905.88/67,490.46 = 26,549.88/x
  3. Step 3: Cross multiply
    48,905.88x = 67,490.46 × 26,549.88
  4. Step 4: Simplify right side
    48,905.88x = 1,791,863,614.14
  5. Step 5: Solve for x
    x = 1,791,863,614.14/48,905.88
  6. Step 6: Final answer
    x = 36,639.02

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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.