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Finding the Fourth Proportional to 48,697.68, 73,002.66 and 17,511

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Solution

The fourth proportional to 48,697.68, 73,002.66 and 17,511 is: 26,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,697.68 : 73,002.66 = 17,511 : x
  2. Step 2: Convert to fraction form
    48,697.68/73,002.66 = 17,511/x
  3. Step 3: Cross multiply
    48,697.68x = 73,002.66 × 17,511
  4. Step 4: Simplify right side
    48,697.68x = 1,278,349,579.26
  5. Step 5: Solve for x
    x = 1,278,349,579.26/48,697.68
  6. Step 6: Final answer
    x = 26,250.73

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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.