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Finding the Fourth Proportional to 48,704.68, 73,013.16 and 17,518

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Solution

The fourth proportional to 48,704.68, 73,013.16 and 17,518 is: 26,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,704.68 : 73,013.16 = 17,518 : x
  2. Step 2: Convert to fraction form
    48,704.68/73,013.16 = 17,518/x
  3. Step 3: Cross multiply
    48,704.68x = 73,013.16 × 17,518
  4. Step 4: Simplify right side
    48,704.68x = 1,279,044,536.88
  5. Step 5: Solve for x
    x = 1,279,044,536.88/48,704.68
  6. Step 6: Final answer
    x = 26,261.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.