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Finding the Fourth Proportional to 17,338.88, 26,009.06 and 6,811.18

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Solution

The fourth proportional to 17,338.88, 26,009.06 and 6,811.18 is: 10,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,338.88 : 26,009.06 = 6,811.18 : x
  2. Step 2: Convert to fraction form
    17,338.88/26,009.06 = 6,811.18/x
  3. Step 3: Cross multiply
    17,338.88x = 26,009.06 × 6,811.18
  4. Step 4: Simplify right side
    17,338.88x = 177,152,389.29
  5. Step 5: Solve for x
    x = 177,152,389.29/17,338.88
  6. Step 6: Final answer
    x = 10,217.06

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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.