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Finding the Fourth Proportional to 8,606.30, 12,876.84 and 5,098.19

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Solution

The fourth proportional to 8,606.30, 12,876.84 and 5,098.19 is: 7,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.30 : 12,876.84 = 5,098.19 : x
  2. Step 2: Convert to fraction form
    8,606.30/12,876.84 = 5,098.19/x
  3. Step 3: Cross multiply
    8,606.30x = 12,876.84 × 5,098.19
  4. Step 4: Simplify right side
    8,606.30x = 65,648,512.54
  5. Step 5: Solve for x
    x = 65,648,512.54/8,606.30
  6. Step 6: Final answer
    x = 7,627.96

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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.