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Finding the Fourth Proportional to 87,072.83, 130,609.14 and 23,893.64

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Solution

The fourth proportional to 87,072.83, 130,609.14 and 23,893.64 is: 35,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,072.83 : 130,609.14 = 23,893.64 : x
  2. Step 2: Convert to fraction form
    87,072.83/130,609.14 = 23,893.64/x
  3. Step 3: Cross multiply
    87,072.83x = 130,609.14 × 23,893.64
  4. Step 4: Simplify right side
    87,072.83x = 3,120,727,771.87
  5. Step 5: Solve for x
    x = 3,120,727,771.87/87,072.83
  6. Step 6: Final answer
    x = 35,840.43

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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.