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Finding the Fourth Proportional to 8,533.41, 12,789.89 and 5,573.26

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Solution

The fourth proportional to 8,533.41, 12,789.89 and 5,573.26 is: 8,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.41 : 12,789.89 = 5,573.26 : x
  2. Step 2: Convert to fraction form
    8,533.41/12,789.89 = 5,573.26/x
  3. Step 3: Cross multiply
    8,533.41x = 12,789.89 × 5,573.26
  4. Step 4: Simplify right side
    8,533.41x = 71,281,382.34
  5. Step 5: Solve for x
    x = 71,281,382.34/8,533.41
  6. Step 6: Final answer
    x = 8,353.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.