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Finding the Fourth Proportional to 57,789.45, 86,700.78 and 24,048.90

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Solution

The fourth proportional to 57,789.45, 86,700.78 and 24,048.90 is: 36,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,789.45 : 86,700.78 = 24,048.90 : x
  2. Step 2: Convert to fraction form
    57,789.45/86,700.78 = 24,048.90/x
  3. Step 3: Cross multiply
    57,789.45x = 86,700.78 × 24,048.90
  4. Step 4: Simplify right side
    57,789.45x = 2,085,058,388.14
  5. Step 5: Solve for x
    x = 2,085,058,388.14/57,789.45
  6. Step 6: Final answer
    x = 36,080.26

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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.