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Finding the Fourth Proportional to 67,581.99, 101,362.33 and 22,603

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Solution

The fourth proportional to 67,581.99, 101,362.33 and 22,603 is: 33,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,581.99 : 101,362.33 = 22,603 : x
  2. Step 2: Convert to fraction form
    67,581.99/101,362.33 = 22,603/x
  3. Step 3: Cross multiply
    67,581.99x = 101,362.33 × 22,603
  4. Step 4: Simplify right side
    67,581.99x = 2,291,092,688.48
  5. Step 5: Solve for x
    x = 2,291,092,688.48/67,581.99
  6. Step 6: Final answer
    x = 33,900.94

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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.