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Finding the Fourth Proportional to 87,590.60, 131,450.70 and 57,998.60

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Solution

The fourth proportional to 87,590.60, 131,450.70 and 57,998.60 is: 87,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,590.60 : 131,450.70 = 57,998.60 : x
  2. Step 2: Convert to fraction form
    87,590.60/131,450.70 = 57,998.60/x
  3. Step 3: Cross multiply
    87,590.60x = 131,450.70 × 57,998.60
  4. Step 4: Simplify right side
    87,590.60x = 7,623,956,569.02
  5. Step 5: Solve for x
    x = 7,623,956,569.02/87,590.60
  6. Step 6: Final answer
    x = 87,040.81

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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.