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Finding the Fourth Proportional to 8,491.04, 12,734.72 and 6,018.96

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Solution

The fourth proportional to 8,491.04, 12,734.72 and 6,018.96 is: 9,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.04 : 12,734.72 = 6,018.96 : x
  2. Step 2: Convert to fraction form
    8,491.04/12,734.72 = 6,018.96/x
  3. Step 3: Cross multiply
    8,491.04x = 12,734.72 × 6,018.96
  4. Step 4: Simplify right side
    8,491.04x = 76,649,770.29
  5. Step 5: Solve for x
    x = 76,649,770.29/8,491.04
  6. Step 6: Final answer
    x = 9,027.14

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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.