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Finding the Fourth Proportional to 47,115.05, 65,016.99 and 25,893.05

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Solution

The fourth proportional to 47,115.05, 65,016.99 and 25,893.05 is: 35,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.05 : 65,016.99 = 25,893.05 : x
  2. Step 2: Convert to fraction form
    47,115.05/65,016.99 = 25,893.05/x
  3. Step 3: Cross multiply
    47,115.05x = 65,016.99 × 25,893.05
  4. Step 4: Simplify right side
    47,115.05x = 1,683,487,847.83
  5. Step 5: Solve for x
    x = 1,683,487,847.83/47,115.05
  6. Step 6: Final answer
    x = 35,731.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.