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Finding the Fourth Proportional to 9,955.54, 13,737.99 and 5,706.55

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Solution

The fourth proportional to 9,955.54, 13,737.99 and 5,706.55 is: 7,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.54 : 13,737.99 = 5,706.55 : x
  2. Step 2: Convert to fraction form
    9,955.54/13,737.99 = 5,706.55/x
  3. Step 3: Cross multiply
    9,955.54x = 13,737.99 × 5,706.55
  4. Step 4: Simplify right side
    9,955.54x = 78,396,526.83
  5. Step 5: Solve for x
    x = 78,396,526.83/9,955.54
  6. Step 6: Final answer
    x = 7,874.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.