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Finding the Fourth Proportional to 17,806.95, 26,710.88 and 6,120.09

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Solution

The fourth proportional to 17,806.95, 26,710.88 and 6,120.09 is: 9,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.95 : 26,710.88 = 6,120.09 : x
  2. Step 2: Convert to fraction form
    17,806.95/26,710.88 = 6,120.09/x
  3. Step 3: Cross multiply
    17,806.95x = 26,710.88 × 6,120.09
  4. Step 4: Simplify right side
    17,806.95x = 163,472,958.98
  5. Step 5: Solve for x
    x = 163,472,958.98/17,806.95
  6. Step 6: Final answer
    x = 9,180.29

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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.