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Finding the Fourth Proportional to 17,618.58, 26,371.71 and 9,803.70

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Solution

The fourth proportional to 17,618.58, 26,371.71 and 9,803.70 is: 14,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.58 : 26,371.71 = 9,803.70 : x
  2. Step 2: Convert to fraction form
    17,618.58/26,371.71 = 9,803.70/x
  3. Step 3: Cross multiply
    17,618.58x = 26,371.71 × 9,803.70
  4. Step 4: Simplify right side
    17,618.58x = 258,540,333.33
  5. Step 5: Solve for x
    x = 258,540,333.33/17,618.58
  6. Step 6: Final answer
    x = 14,674.30

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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.