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Finding the Fourth Proportional to 8,446.56, 12,671.91 and 2,899.98

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Solution

The fourth proportional to 8,446.56, 12,671.91 and 2,899.98 is: 4,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.56 : 12,671.91 = 2,899.98 : x
  2. Step 2: Convert to fraction form
    8,446.56/12,671.91 = 2,899.98/x
  3. Step 3: Cross multiply
    8,446.56x = 12,671.91 × 2,899.98
  4. Step 4: Simplify right side
    8,446.56x = 36,748,285.56
  5. Step 5: Solve for x
    x = 36,748,285.56/8,446.56
  6. Step 6: Final answer
    x = 4,350.68

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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.