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Finding the Fourth Proportional to 32,832, 49,248 and 13,119.36

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Solution

The fourth proportional to 32,832, 49,248 and 13,119.36 is: 19,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,832 : 49,248 = 13,119.36 : x
  2. Step 2: Convert to fraction form
    32,832/49,248 = 13,119.36/x
  3. Step 3: Cross multiply
    32,832x = 49,248 × 13,119.36
  4. Step 4: Simplify right side
    32,832x = 646,102,241.28
  5. Step 5: Solve for x
    x = 646,102,241.28/32,832
  6. Step 6: Final answer
    x = 19,679.04

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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.