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Finding the Fourth Proportional to 8,849.27, 12,212.54 and 4,871.27

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Solution

The fourth proportional to 8,849.27, 12,212.54 and 4,871.27 is: 6,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.27 : 12,212.54 = 4,871.27 : x
  2. Step 2: Convert to fraction form
    8,849.27/12,212.54 = 4,871.27/x
  3. Step 3: Cross multiply
    8,849.27x = 12,212.54 × 4,871.27
  4. Step 4: Simplify right side
    8,849.27x = 59,490,579.73
  5. Step 5: Solve for x
    x = 59,490,579.73/8,849.27
  6. Step 6: Final answer
    x = 6,722.65

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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.