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Finding the Fourth Proportional to 17,604.27, 26,405.11 and 6,505.78

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Solution

The fourth proportional to 17,604.27, 26,405.11 and 6,505.78 is: 9,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.27 : 26,405.11 = 6,505.78 : x
  2. Step 2: Convert to fraction form
    17,604.27/26,405.11 = 6,505.78/x
  3. Step 3: Cross multiply
    17,604.27x = 26,405.11 × 6,505.78
  4. Step 4: Simplify right side
    17,604.27x = 171,785,836.54
  5. Step 5: Solve for x
    x = 171,785,836.54/17,604.27
  6. Step 6: Final answer
    x = 9,758.19

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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.