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Finding the Fourth Proportional to 9,951.63, 14,927.65 and 3,377.81

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Solution

The fourth proportional to 9,951.63, 14,927.65 and 3,377.81 is: 5,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.63 : 14,927.65 = 3,377.81 : x
  2. Step 2: Convert to fraction form
    9,951.63/14,927.65 = 3,377.81/x
  3. Step 3: Cross multiply
    9,951.63x = 14,927.65 × 3,377.81
  4. Step 4: Simplify right side
    9,951.63x = 50,422,682.36
  5. Step 5: Solve for x
    x = 50,422,682.36/9,951.63
  6. Step 6: Final answer
    x = 5,066.78

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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.