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Finding the Fourth Proportional to 8,885.63, 12,262.65 and 4,906.73

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Solution

The fourth proportional to 8,885.63, 12,262.65 and 4,906.73 is: 6,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.63 : 12,262.65 = 4,906.73 : x
  2. Step 2: Convert to fraction form
    8,885.63/12,262.65 = 4,906.73/x
  3. Step 3: Cross multiply
    8,885.63x = 12,262.65 × 4,906.73
  4. Step 4: Simplify right side
    8,885.63x = 60,169,512.63
  5. Step 5: Solve for x
    x = 60,169,512.63/8,885.63
  6. Step 6: Final answer
    x = 6,771.55

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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.