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Finding the Fourth Proportional to 87,093.29, 130,640.15 and 23,914.31

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Solution

The fourth proportional to 87,093.29, 130,640.15 and 23,914.31 is: 35,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,093.29 : 130,640.15 = 23,914.31 : x
  2. Step 2: Convert to fraction form
    87,093.29/130,640.15 = 23,914.31/x
  3. Step 3: Cross multiply
    87,093.29x = 130,640.15 × 23,914.31
  4. Step 4: Simplify right side
    87,093.29x = 3,124,168,452.13
  5. Step 5: Solve for x
    x = 3,124,168,452.13/87,093.29
  6. Step 6: Final answer
    x = 35,871.52

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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.