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Finding the Fourth Proportional to 11,821.94, 17,737.15 and 5,064.69

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Solution

The fourth proportional to 11,821.94, 17,737.15 and 5,064.69 is: 7,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.94 : 17,737.15 = 5,064.69 : x
  2. Step 2: Convert to fraction form
    11,821.94/17,737.15 = 5,064.69/x
  3. Step 3: Cross multiply
    11,821.94x = 17,737.15 × 5,064.69
  4. Step 4: Simplify right side
    11,821.94x = 89,833,197.91
  5. Step 5: Solve for x
    x = 89,833,197.91/11,821.94
  6. Step 6: Final answer
    x = 7,598.85

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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.