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Finding the Fourth Proportional to 9,953.52, 13,736.32 and 6,177.90

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Solution

The fourth proportional to 9,953.52, 13,736.32 and 6,177.90 is: 8,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.52 : 13,736.32 = 6,177.90 : x
  2. Step 2: Convert to fraction form
    9,953.52/13,736.32 = 6,177.90/x
  3. Step 3: Cross multiply
    9,953.52x = 13,736.32 × 6,177.90
  4. Step 4: Simplify right side
    9,953.52x = 84,861,647.39
  5. Step 5: Solve for x
    x = 84,861,647.39/9,953.52
  6. Step 6: Final answer
    x = 8,525.79

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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.