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Finding the Fourth Proportional to 61,763.99, 85,201.37 and 37,572.35

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Solution

The fourth proportional to 61,763.99, 85,201.37 and 37,572.35 is: 51,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,763.99 : 85,201.37 = 37,572.35 : x
  2. Step 2: Convert to fraction form
    61,763.99/85,201.37 = 37,572.35/x
  3. Step 3: Cross multiply
    61,763.99x = 85,201.37 × 37,572.35
  4. Step 4: Simplify right side
    61,763.99x = 3,201,215,694.12
  5. Step 5: Solve for x
    x = 3,201,215,694.12/61,763.99
  6. Step 6: Final answer
    x = 51,829.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.