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Finding the Fourth Proportional to 54,570.99, 81,898.91 and 24,990.50

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Solution

The fourth proportional to 54,570.99, 81,898.91 and 24,990.50 is: 37,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.99 : 81,898.91 = 24,990.50 : x
  2. Step 2: Convert to fraction form
    54,570.99/81,898.91 = 24,990.50/x
  3. Step 3: Cross multiply
    54,570.99x = 81,898.91 × 24,990.50
  4. Step 4: Simplify right side
    54,570.99x = 2,046,694,688.67
  5. Step 5: Solve for x
    x = 2,046,694,688.67/54,570.99
  6. Step 6: Final answer
    x = 37,505.18

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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.