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Finding the Fourth Proportional to 17,823.81, 26,718.08 and 8,447.25

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Solution

The fourth proportional to 17,823.81, 26,718.08 and 8,447.25 is: 12,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,823.81 : 26,718.08 = 8,447.25 : x
  2. Step 2: Convert to fraction form
    17,823.81/26,718.08 = 8,447.25/x
  3. Step 3: Cross multiply
    17,823.81x = 26,718.08 × 8,447.25
  4. Step 4: Simplify right side
    17,823.81x = 225,694,259.04
  5. Step 5: Solve for x
    x = 225,694,259.04/17,823.81
  6. Step 6: Final answer
    x = 12,662.51

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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.