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Finding the Fourth Proportional to 7,888.91, 10,886.51 and 4,352.09

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Solution

The fourth proportional to 7,888.91, 10,886.51 and 4,352.09 is: 6,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.91 : 10,886.51 = 4,352.09 : x
  2. Step 2: Convert to fraction form
    7,888.91/10,886.51 = 4,352.09/x
  3. Step 3: Cross multiply
    7,888.91x = 10,886.51 × 4,352.09
  4. Step 4: Simplify right side
    7,888.91x = 47,379,027.75
  5. Step 5: Solve for x
    x = 47,379,027.75/7,888.91
  6. Step 6: Final answer
    x = 6,005.78

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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.