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Finding the Fourth Proportional to 17,729.85, 26,566.07 and 8,347.62

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Solution

The fourth proportional to 17,729.85, 26,566.07 and 8,347.62 is: 12,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,729.85 : 26,566.07 = 8,347.62 : x
  2. Step 2: Convert to fraction form
    17,729.85/26,566.07 = 8,347.62/x
  3. Step 3: Cross multiply
    17,729.85x = 26,566.07 × 8,347.62
  4. Step 4: Simplify right side
    17,729.85x = 221,763,415.52
  5. Step 5: Solve for x
    x = 221,763,415.52/17,729.85
  6. Step 6: Final answer
    x = 12,507.91

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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.