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Finding the Fourth Proportional to 8,727.45, 12,044.11 and 4,949.89

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Solution

The fourth proportional to 8,727.45, 12,044.11 and 4,949.89 is: 6,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.45 : 12,044.11 = 4,949.89 : x
  2. Step 2: Convert to fraction form
    8,727.45/12,044.11 = 4,949.89/x
  3. Step 3: Cross multiply
    8,727.45x = 12,044.11 × 4,949.89
  4. Step 4: Simplify right side
    8,727.45x = 59,617,019.65
  5. Step 5: Solve for x
    x = 59,617,019.65/8,727.45
  6. Step 6: Final answer
    x = 6,830.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.