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Finding the Fourth Proportional to 20,005.01, 30,009.01 and 5,963.96

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Solution

The fourth proportional to 20,005.01, 30,009.01 and 5,963.96 is: 8,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.01 : 30,009.01 = 5,963.96 : x
  2. Step 2: Convert to fraction form
    20,005.01/30,009.01 = 5,963.96/x
  3. Step 3: Cross multiply
    20,005.01x = 30,009.01 × 5,963.96
  4. Step 4: Simplify right side
    20,005.01x = 178,972,535.28
  5. Step 5: Solve for x
    x = 178,972,535.28/20,005.01
  6. Step 6: Final answer
    x = 8,946.39

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1.5x scale

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.