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Finding the Fourth Proportional to 57,796.80, 86,637.60 and 26,577.60

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Solution

The fourth proportional to 57,796.80, 86,637.60 and 26,577.60 is: 39,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,796.80 : 86,637.60 = 26,577.60 : x
  2. Step 2: Convert to fraction form
    57,796.80/86,637.60 = 26,577.60/x
  3. Step 3: Cross multiply
    57,796.80x = 86,637.60 × 26,577.60
  4. Step 4: Simplify right side
    57,796.80x = 2,302,619,477.76
  5. Step 5: Solve for x
    x = 2,302,619,477.76/57,796.80
  6. Step 6: Final answer
    x = 39,839.91

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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.