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Finding the Fourth Proportional to 60,309.99, 90,465.57 and 22,860

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Solution

The fourth proportional to 60,309.99, 90,465.57 and 22,860 is: 34,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,309.99 : 90,465.57 = 22,860 : x
  2. Step 2: Convert to fraction form
    60,309.99/90,465.57 = 22,860/x
  3. Step 3: Cross multiply
    60,309.99x = 90,465.57 × 22,860
  4. Step 4: Simplify right side
    60,309.99x = 2,068,042,930.20
  5. Step 5: Solve for x
    x = 2,068,042,930.20/60,309.99
  6. Step 6: Final answer
    x = 34,290.22

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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.