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Finding the Fourth Proportional to 9,936.74, 14,903.48 and 3,695.28

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Solution

The fourth proportional to 9,936.74, 14,903.48 and 3,695.28 is: 5,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.74 : 14,903.48 = 3,695.28 : x
  2. Step 2: Convert to fraction form
    9,936.74/14,903.48 = 3,695.28/x
  3. Step 3: Cross multiply
    9,936.74x = 14,903.48 × 3,695.28
  4. Step 4: Simplify right side
    9,936.74x = 55,072,540.81
  5. Step 5: Solve for x
    x = 55,072,540.81/9,936.74
  6. Step 6: Final answer
    x = 5,542.32

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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.