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Finding the Fourth Proportional to 16,718.60, 25,040.92 and 6,827.89

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Solution

The fourth proportional to 16,718.60, 25,040.92 and 6,827.89 is: 10,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.60 : 25,040.92 = 6,827.89 : x
  2. Step 2: Convert to fraction form
    16,718.60/25,040.92 = 6,827.89/x
  3. Step 3: Cross multiply
    16,718.60x = 25,040.92 × 6,827.89
  4. Step 4: Simplify right side
    16,718.60x = 170,976,647.26
  5. Step 5: Solve for x
    x = 170,976,647.26/16,718.60
  6. Step 6: Final answer
    x = 10,226.73

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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.