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Finding the Fourth Proportional to 5,510.52, 8,264.09 and 1,811.99

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Solution

The fourth proportional to 5,510.52, 8,264.09 and 1,811.99 is: 2,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.52 : 8,264.09 = 1,811.99 : x
  2. Step 2: Convert to fraction form
    5,510.52/8,264.09 = 1,811.99/x
  3. Step 3: Cross multiply
    5,510.52x = 8,264.09 × 1,811.99
  4. Step 4: Simplify right side
    5,510.52x = 14,974,473.63
  5. Step 5: Solve for x
    x = 14,974,473.63/5,510.52
  6. Step 6: Final answer
    x = 2,717.43

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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.