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Finding the Fourth Proportional to 8,782.77, 13,172.11 and 2,541.11

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Solution

The fourth proportional to 8,782.77, 13,172.11 and 2,541.11 is: 3,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.77 : 13,172.11 = 2,541.11 : x
  2. Step 2: Convert to fraction form
    8,782.77/13,172.11 = 2,541.11/x
  3. Step 3: Cross multiply
    8,782.77x = 13,172.11 × 2,541.11
  4. Step 4: Simplify right side
    8,782.77x = 33,471,782.32
  5. Step 5: Solve for x
    x = 33,471,782.32/8,782.77
  6. Step 6: Final answer
    x = 3,811.07

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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.