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Finding the Fourth Proportional to 19,893.96, 29,843.34 and 6,750.06

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Solution

The fourth proportional to 19,893.96, 29,843.34 and 6,750.06 is: 10,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.96 : 29,843.34 = 6,750.06 : x
  2. Step 2: Convert to fraction form
    19,893.96/29,843.34 = 6,750.06/x
  3. Step 3: Cross multiply
    19,893.96x = 29,843.34 × 6,750.06
  4. Step 4: Simplify right side
    19,893.96x = 201,444,335.60
  5. Step 5: Solve for x
    x = 201,444,335.60/19,893.96
  6. Step 6: Final answer
    x = 10,125.90

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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.