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Finding the Fourth Proportional to 8,533.89, 12,808.83 and 5,253.39

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Solution

The fourth proportional to 8,533.89, 12,808.83 and 5,253.39 is: 7,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.89 : 12,808.83 = 5,253.39 : x
  2. Step 2: Convert to fraction form
    8,533.89/12,808.83 = 5,253.39/x
  3. Step 3: Cross multiply
    8,533.89x = 12,808.83 × 5,253.39
  4. Step 4: Simplify right side
    8,533.89x = 67,289,799.13
  5. Step 5: Solve for x
    x = 67,289,799.13/8,533.89
  6. Step 6: Final answer
    x = 7,885.01

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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.