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Finding the Fourth Proportional to 57,004.35, 85,504.09 and 55,669.47

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Solution

The fourth proportional to 57,004.35, 85,504.09 and 55,669.47 is: 83,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,004.35 : 85,504.09 = 55,669.47 : x
  2. Step 2: Convert to fraction form
    57,004.35/85,504.09 = 55,669.47/x
  3. Step 3: Cross multiply
    57,004.35x = 85,504.09 × 55,669.47
  4. Step 4: Simplify right side
    57,004.35x = 4,759,967,373.13
  5. Step 5: Solve for x
    x = 4,759,967,373.13/57,004.35
  6. Step 6: Final answer
    x = 83,501.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.