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Finding the Fourth Proportional to 17,826.80, 26,734.80 and 7,436.12

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Solution

The fourth proportional to 17,826.80, 26,734.80 and 7,436.12 is: 11,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,826.80 : 26,734.80 = 7,436.12 : x
  2. Step 2: Convert to fraction form
    17,826.80/26,734.80 = 7,436.12/x
  3. Step 3: Cross multiply
    17,826.80x = 26,734.80 × 7,436.12
  4. Step 4: Simplify right side
    17,826.80x = 198,803,180.98
  5. Step 5: Solve for x
    x = 198,803,180.98/17,826.80
  6. Step 6: Final answer
    x = 11,151.93

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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.