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Finding the Fourth Proportional to 17,803.77, 26,701.65 and 7,936.76

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Solution

The fourth proportional to 17,803.77, 26,701.65 and 7,936.76 is: 11,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.77 : 26,701.65 = 7,936.76 : x
  2. Step 2: Convert to fraction form
    17,803.77/26,701.65 = 7,936.76/x
  3. Step 3: Cross multiply
    17,803.77x = 26,701.65 × 7,936.76
  4. Step 4: Simplify right side
    17,803.77x = 211,924,454.15
  5. Step 5: Solve for x
    x = 211,924,454.15/17,803.77
  6. Step 6: Final answer
    x = 11,903.35

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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.