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Finding the Fourth Proportional to 17,891.04, 26,841.90 and 8,542.92

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Solution

The fourth proportional to 17,891.04, 26,841.90 and 8,542.92 is: 12,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.04 : 26,841.90 = 8,542.92 : x
  2. Step 2: Convert to fraction form
    17,891.04/26,841.90 = 8,542.92/x
  3. Step 3: Cross multiply
    17,891.04x = 26,841.90 × 8,542.92
  4. Step 4: Simplify right side
    17,891.04x = 229,308,204.35
  5. Step 5: Solve for x
    x = 229,308,204.35/17,891.04
  6. Step 6: Final answer
    x = 12,816.93

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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.