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Finding the Fourth Proportional to 8,889.56, 12,267.50 and 5,352.02

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Solution

The fourth proportional to 8,889.56, 12,267.50 and 5,352.02 is: 7,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.56 : 12,267.50 = 5,352.02 : x
  2. Step 2: Convert to fraction form
    8,889.56/12,267.50 = 5,352.02/x
  3. Step 3: Cross multiply
    8,889.56x = 12,267.50 × 5,352.02
  4. Step 4: Simplify right side
    8,889.56x = 65,655,905.35
  5. Step 5: Solve for x
    x = 65,655,905.35/8,889.56
  6. Step 6: Final answer
    x = 7,385.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.