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Finding the Fourth Proportional to 9,959.92, 14,939.60 and 4,036.64

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Solution

The fourth proportional to 9,959.92, 14,939.60 and 4,036.64 is: 6,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.92 : 14,939.60 = 4,036.64 : x
  2. Step 2: Convert to fraction form
    9,959.92/14,939.60 = 4,036.64/x
  3. Step 3: Cross multiply
    9,959.92x = 14,939.60 × 4,036.64
  4. Step 4: Simplify right side
    9,959.92x = 60,305,786.94
  5. Step 5: Solve for x
    x = 60,305,786.94/9,959.92
  6. Step 6: Final answer
    x = 6,054.85

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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.