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Finding the Fourth Proportional to 17,908.58, 26,863.36 and 8,549.58

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Solution

The fourth proportional to 17,908.58, 26,863.36 and 8,549.58 is: 12,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.58 : 26,863.36 = 8,549.58 : x
  2. Step 2: Convert to fraction form
    17,908.58/26,863.36 = 8,549.58/x
  3. Step 3: Cross multiply
    17,908.58x = 26,863.36 × 8,549.58
  4. Step 4: Simplify right side
    17,908.58x = 229,670,445.39
  5. Step 5: Solve for x
    x = 229,670,445.39/17,908.58
  6. Step 6: Final answer
    x = 12,824.60

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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.