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Finding the Fourth Proportional to 17,874.57, 26,808.60 and 6,777.61

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Solution

The fourth proportional to 17,874.57, 26,808.60 and 6,777.61 is: 10,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.57 : 26,808.60 = 6,777.61 : x
  2. Step 2: Convert to fraction form
    17,874.57/26,808.60 = 6,777.61/x
  3. Step 3: Cross multiply
    17,874.57x = 26,808.60 × 6,777.61
  4. Step 4: Simplify right side
    17,874.57x = 181,698,193.84
  5. Step 5: Solve for x
    x = 181,698,193.84/17,874.57
  6. Step 6: Final answer
    x = 10,165.18

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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.