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Finding the Fourth Proportional to 19,952.88, 29,932.16 and 6,807.39

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Solution

The fourth proportional to 19,952.88, 29,932.16 and 6,807.39 is: 10,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.88 : 29,932.16 = 6,807.39 : x
  2. Step 2: Convert to fraction form
    19,952.88/29,932.16 = 6,807.39/x
  3. Step 3: Cross multiply
    19,952.88x = 29,932.16 × 6,807.39
  4. Step 4: Simplify right side
    19,952.88x = 203,759,852.63
  5. Step 5: Solve for x
    x = 203,759,852.63/19,952.88
  6. Step 6: Final answer
    x = 10,212.05

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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.