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Finding the Fourth Proportional to 19,999.27, 30,003.15 and 6,848.11

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Solution

The fourth proportional to 19,999.27, 30,003.15 and 6,848.11 is: 10,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.27 : 30,003.15 = 6,848.11 : x
  2. Step 2: Convert to fraction form
    19,999.27/30,003.15 = 6,848.11/x
  3. Step 3: Cross multiply
    19,999.27x = 30,003.15 × 6,848.11
  4. Step 4: Simplify right side
    19,999.27x = 205,464,871.55
  5. Step 5: Solve for x
    x = 205,464,871.55/19,999.27
  6. Step 6: Final answer
    x = 10,273.62

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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.