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Finding the Fourth Proportional to 8,886.87, 12,255.98 and 5,739.75

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Solution

The fourth proportional to 8,886.87, 12,255.98 and 5,739.75 is: 7,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.87 : 12,255.98 = 5,739.75 : x
  2. Step 2: Convert to fraction form
    8,886.87/12,255.98 = 5,739.75/x
  3. Step 3: Cross multiply
    8,886.87x = 12,255.98 × 5,739.75
  4. Step 4: Simplify right side
    8,886.87x = 70,346,232.51
  5. Step 5: Solve for x
    x = 70,346,232.51/8,886.87
  6. Step 6: Final answer
    x = 7,915.75

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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.