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Finding the Fourth Proportional to 60,010.80, 89,960.55 and 20,558.53

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Solution

The fourth proportional to 60,010.80, 89,960.55 and 20,558.53 is: 30,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,010.80 : 89,960.55 = 20,558.53 : x
  2. Step 2: Convert to fraction form
    60,010.80/89,960.55 = 20,558.53/x
  3. Step 3: Cross multiply
    60,010.80x = 89,960.55 × 20,558.53
  4. Step 4: Simplify right side
    60,010.80x = 1,849,456,665.99
  5. Step 5: Solve for x
    x = 1,849,456,665.99/60,010.80
  6. Step 6: Final answer
    x = 30,818.73

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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.