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Finding the Fourth Proportional to 17,393.67, 26,090.51 and 10,511.91

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Solution

The fourth proportional to 17,393.67, 26,090.51 and 10,511.91 is: 15,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.67 : 26,090.51 = 10,511.91 : x
  2. Step 2: Convert to fraction form
    17,393.67/26,090.51 = 10,511.91/x
  3. Step 3: Cross multiply
    17,393.67x = 26,090.51 × 10,511.91
  4. Step 4: Simplify right side
    17,393.67x = 274,261,040.41
  5. Step 5: Solve for x
    x = 274,261,040.41/17,393.67
  6. Step 6: Final answer
    x = 15,767.87

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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.