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Finding the Fourth Proportional to 8,771.52, 12,099.04 and 5,232

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Solution

The fourth proportional to 8,771.52, 12,099.04 and 5,232 is: 7,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.52 : 12,099.04 = 5,232 : x
  2. Step 2: Convert to fraction form
    8,771.52/12,099.04 = 5,232/x
  3. Step 3: Cross multiply
    8,771.52x = 12,099.04 × 5,232
  4. Step 4: Simplify right side
    8,771.52x = 63,302,177.28
  5. Step 5: Solve for x
    x = 63,302,177.28/8,771.52
  6. Step 6: Final answer
    x = 7,216.79

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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.