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Finding the Fourth Proportional to 17,657.26, 26,485.48 and 8,889.82

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Solution

The fourth proportional to 17,657.26, 26,485.48 and 8,889.82 is: 13,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.26 : 26,485.48 = 8,889.82 : x
  2. Step 2: Convert to fraction form
    17,657.26/26,485.48 = 8,889.82/x
  3. Step 3: Cross multiply
    17,657.26x = 26,485.48 × 8,889.82
  4. Step 4: Simplify right side
    17,657.26x = 235,451,149.81
  5. Step 5: Solve for x
    x = 235,451,149.81/17,657.26
  6. Step 6: Final answer
    x = 13,334.52

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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.