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Finding the Fourth Proportional to 8,038.66, 12,056.63 and 2,193.91

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Solution

The fourth proportional to 8,038.66, 12,056.63 and 2,193.91 is: 3,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.66 : 12,056.63 = 2,193.91 : x
  2. Step 2: Convert to fraction form
    8,038.66/12,056.63 = 2,193.91/x
  3. Step 3: Cross multiply
    8,038.66x = 12,056.63 × 2,193.91
  4. Step 4: Simplify right side
    8,038.66x = 26,451,161.12
  5. Step 5: Solve for x
    x = 26,451,161.12/8,038.66
  6. Step 6: Final answer
    x = 3,290.49

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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.