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Finding the Fourth Proportional to 57,809.80, 86,720.16 and 22,741.25

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Solution

The fourth proportional to 57,809.80, 86,720.16 and 22,741.25 is: 34,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,809.80 : 86,720.16 = 22,741.25 : x
  2. Step 2: Convert to fraction form
    57,809.80/86,720.16 = 22,741.25/x
  3. Step 3: Cross multiply
    57,809.80x = 86,720.16 × 22,741.25
  4. Step 4: Simplify right side
    57,809.80x = 1,972,124,838.60
  5. Step 5: Solve for x
    x = 1,972,124,838.60/57,809.80
  6. Step 6: Final answer
    x = 34,114.03

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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.