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Finding the Fourth Proportional to 8,837.16, 13,255.74 and 4,939.44

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Solution

The fourth proportional to 8,837.16, 13,255.74 and 4,939.44 is: 7,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.16 : 13,255.74 = 4,939.44 : x
  2. Step 2: Convert to fraction form
    8,837.16/13,255.74 = 4,939.44/x
  3. Step 3: Cross multiply
    8,837.16x = 13,255.74 × 4,939.44
  4. Step 4: Simplify right side
    8,837.16x = 65,475,932.39
  5. Step 5: Solve for x
    x = 65,475,932.39/8,837.16
  6. Step 6: Final answer
    x = 7,409.16

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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.