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Finding the Fourth Proportional to 8,051.13, 12,080.17 and 4,355.98

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Solution

The fourth proportional to 8,051.13, 12,080.17 and 4,355.98 is: 6,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.13 : 12,080.17 = 4,355.98 : x
  2. Step 2: Convert to fraction form
    8,051.13/12,080.17 = 4,355.98/x
  3. Step 3: Cross multiply
    8,051.13x = 12,080.17 × 4,355.98
  4. Step 4: Simplify right side
    8,051.13x = 52,620,954.16
  5. Step 5: Solve for x
    x = 52,620,954.16/8,051.13
  6. Step 6: Final answer
    x = 6,535.85

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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.