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Finding the Fourth Proportional to 17,711.55, 26,544.06 and 8,338.86

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Solution

The fourth proportional to 17,711.55, 26,544.06 and 8,338.86 is: 12,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.55 : 26,544.06 = 8,338.86 : x
  2. Step 2: Convert to fraction form
    17,711.55/26,544.06 = 8,338.86/x
  3. Step 3: Cross multiply
    17,711.55x = 26,544.06 × 8,338.86
  4. Step 4: Simplify right side
    17,711.55x = 221,347,200.17
  5. Step 5: Solve for x
    x = 221,347,200.17/17,711.55
  6. Step 6: Final answer
    x = 12,497.34

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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.