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Finding the Fourth Proportional to 11,827.77, 17,753.95 and 8,711.29

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Solution

The fourth proportional to 11,827.77, 17,753.95 and 8,711.29 is: 13,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.77 : 17,753.95 = 8,711.29 : x
  2. Step 2: Convert to fraction form
    11,827.77/17,753.95 = 8,711.29/x
  3. Step 3: Cross multiply
    11,827.77x = 17,753.95 × 8,711.29
  4. Step 4: Simplify right side
    11,827.77x = 154,659,807.10
  5. Step 5: Solve for x
    x = 154,659,807.10/11,827.77
  6. Step 6: Final answer
    x = 13,075.99

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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.