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Finding the Fourth Proportional to 17,889.77, 26,835.38 and 4,563.11

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Solution

The fourth proportional to 17,889.77, 26,835.38 and 4,563.11 is: 6,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.77 : 26,835.38 = 4,563.11 : x
  2. Step 2: Convert to fraction form
    17,889.77/26,835.38 = 4,563.11/x
  3. Step 3: Cross multiply
    17,889.77x = 26,835.38 × 4,563.11
  4. Step 4: Simplify right side
    17,889.77x = 122,452,633.84
  5. Step 5: Solve for x
    x = 122,452,633.84/17,889.77
  6. Step 6: Final answer
    x = 6,844.84

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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.