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Finding the Fourth Proportional to 17,745.67, 26,585.70 and 8,959.60

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Solution

The fourth proportional to 17,745.67, 26,585.70 and 8,959.60 is: 13,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.67 : 26,585.70 = 8,959.60 : x
  2. Step 2: Convert to fraction form
    17,745.67/26,585.70 = 8,959.60/x
  3. Step 3: Cross multiply
    17,745.67x = 26,585.70 × 8,959.60
  4. Step 4: Simplify right side
    17,745.67x = 238,197,237.72
  5. Step 5: Solve for x
    x = 238,197,237.72/17,745.67
  6. Step 6: Final answer
    x = 13,422.84

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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.