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Finding the Fourth Proportional to 60,888.99, 91,344.83 and 21,471.15

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Solution

The fourth proportional to 60,888.99, 91,344.83 and 21,471.15 is: 32,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888.99 : 91,344.83 = 21,471.15 : x
  2. Step 2: Convert to fraction form
    60,888.99/91,344.83 = 21,471.15/x
  3. Step 3: Cross multiply
    60,888.99x = 91,344.83 × 21,471.15
  4. Step 4: Simplify right side
    60,888.99x = 1,961,278,546.65
  5. Step 5: Solve for x
    x = 1,961,278,546.65/60,888.99
  6. Step 6: Final answer
    x = 32,210.73

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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.