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Finding the Fourth Proportional to 87,250.22, 130,873.89 and 21,586.22

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Solution

The fourth proportional to 87,250.22, 130,873.89 and 21,586.22 is: 32,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,250.22 : 130,873.89 = 21,586.22 : x
  2. Step 2: Convert to fraction form
    87,250.22/130,873.89 = 21,586.22/x
  3. Step 3: Cross multiply
    87,250.22x = 130,873.89 × 21,586.22
  4. Step 4: Simplify right side
    87,250.22x = 2,825,072,581.80
  5. Step 5: Solve for x
    x = 2,825,072,581.80/87,250.22
  6. Step 6: Final answer
    x = 32,378.97

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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.