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Finding the Fourth Proportional to 8,935.36, 13,407.48 and 4,008.48

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Solution

The fourth proportional to 8,935.36, 13,407.48 and 4,008.48 is: 6,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.36 : 13,407.48 = 4,008.48 : x
  2. Step 2: Convert to fraction form
    8,935.36/13,407.48 = 4,008.48/x
  3. Step 3: Cross multiply
    8,935.36x = 13,407.48 × 4,008.48
  4. Step 4: Simplify right side
    8,935.36x = 53,743,615.43
  5. Step 5: Solve for x
    x = 53,743,615.43/8,935.36
  6. Step 6: Final answer
    x = 6,014.71

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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.