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Finding the Fourth Proportional to 8,059.12, 12,083.70 and 2,792.91

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Solution

The fourth proportional to 8,059.12, 12,083.70 and 2,792.91 is: 4,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.12 : 12,083.70 = 2,792.91 : x
  2. Step 2: Convert to fraction form
    8,059.12/12,083.70 = 2,792.91/x
  3. Step 3: Cross multiply
    8,059.12x = 12,083.70 × 2,792.91
  4. Step 4: Simplify right side
    8,059.12x = 33,748,686.57
  5. Step 5: Solve for x
    x = 33,748,686.57/8,059.12
  6. Step 6: Final answer
    x = 4,187.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.