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Finding the Fourth Proportional to 17,866.86, 26,799.69 and 6,770.22

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Solution

The fourth proportional to 17,866.86, 26,799.69 and 6,770.22 is: 10,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.86 : 26,799.69 = 6,770.22 : x
  2. Step 2: Convert to fraction form
    17,866.86/26,799.69 = 6,770.22/x
  3. Step 3: Cross multiply
    17,866.86x = 26,799.69 × 6,770.22
  4. Step 4: Simplify right side
    17,866.86x = 181,439,797.23
  5. Step 5: Solve for x
    x = 181,439,797.23/17,866.86
  6. Step 6: Final answer
    x = 10,155.10

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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.