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Finding the Fourth Proportional to 17,803.69, 26,718.65 and 8,443.73

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Solution

The fourth proportional to 17,803.69, 26,718.65 and 8,443.73 is: 12,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.69 : 26,718.65 = 8,443.73 : x
  2. Step 2: Convert to fraction form
    17,803.69/26,718.65 = 8,443.73/x
  3. Step 3: Cross multiply
    17,803.69x = 26,718.65 × 8,443.73
  4. Step 4: Simplify right side
    17,803.69x = 225,605,073.36
  5. Step 5: Solve for x
    x = 225,605,073.36/17,803.69
  6. Step 6: Final answer
    x = 12,671.82

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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.