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Finding the Fourth Proportional to 7,890.06, 10,888.25 and 4,353.27

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Solution

The fourth proportional to 7,890.06, 10,888.25 and 4,353.27 is: 6,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.06 : 10,888.25 = 4,353.27 : x
  2. Step 2: Convert to fraction form
    7,890.06/10,888.25 = 4,353.27/x
  3. Step 3: Cross multiply
    7,890.06x = 10,888.25 × 4,353.27
  4. Step 4: Simplify right side
    7,890.06x = 47,399,502.96
  5. Step 5: Solve for x
    x = 47,399,502.96/7,890.06
  6. Step 6: Final answer
    x = 6,007.50

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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.