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Finding the Fourth Proportional to 17,799.55, 26,677.96 and 8,299.06

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Solution

The fourth proportional to 17,799.55, 26,677.96 and 8,299.06 is: 12,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.55 : 26,677.96 = 8,299.06 : x
  2. Step 2: Convert to fraction form
    17,799.55/26,677.96 = 8,299.06/x
  3. Step 3: Cross multiply
    17,799.55x = 26,677.96 × 8,299.06
  4. Step 4: Simplify right side
    17,799.55x = 221,401,903.28
  5. Step 5: Solve for x
    x = 221,401,903.28/17,799.55
  6. Step 6: Final answer
    x = 12,438.63

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1.5x scale

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.