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Finding the Fourth Proportional to 57,011.98, 85,518.15 and 33,622

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Solution

The fourth proportional to 57,011.98, 85,518.15 and 33,622 is: 50,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.98 : 85,518.15 = 33,622 : x
  2. Step 2: Convert to fraction form
    57,011.98/85,518.15 = 33,622/x
  3. Step 3: Cross multiply
    57,011.98x = 85,518.15 × 33,622
  4. Step 4: Simplify right side
    57,011.98x = 2,875,291,239.30
  5. Step 5: Solve for x
    x = 2,875,291,239.30/57,011.98
  6. Step 6: Final answer
    x = 50,433.11

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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.