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Finding the Fourth Proportional to 8,894.19, 13,343.60 and 5,199.57

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Solution

The fourth proportional to 8,894.19, 13,343.60 and 5,199.57 is: 7,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.19 : 13,343.60 = 5,199.57 : x
  2. Step 2: Convert to fraction form
    8,894.19/13,343.60 = 5,199.57/x
  3. Step 3: Cross multiply
    8,894.19x = 13,343.60 × 5,199.57
  4. Step 4: Simplify right side
    8,894.19x = 69,380,889.54
  5. Step 5: Solve for x
    x = 69,380,889.54/8,894.19
  6. Step 6: Final answer
    x = 7,800.70

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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.