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Finding the Fourth Proportional to 8,881.92, 12,257.05 and 4,903.03

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Solution

The fourth proportional to 8,881.92, 12,257.05 and 4,903.03 is: 6,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.92 : 12,257.05 = 4,903.03 : x
  2. Step 2: Convert to fraction form
    8,881.92/12,257.05 = 4,903.03/x
  3. Step 3: Cross multiply
    8,881.92x = 12,257.05 × 4,903.03
  4. Step 4: Simplify right side
    8,881.92x = 60,096,659.35
  5. Step 5: Solve for x
    x = 60,096,659.35/8,881.92
  6. Step 6: Final answer
    x = 6,766.18

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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.