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Finding the Fourth Proportional to 58,802.96, 81,149.64 and 33,660.56

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Solution

The fourth proportional to 58,802.96, 81,149.64 and 33,660.56 is: 46,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,802.96 : 81,149.64 = 33,660.56 : x
  2. Step 2: Convert to fraction form
    58,802.96/81,149.64 = 33,660.56/x
  3. Step 3: Cross multiply
    58,802.96x = 81,149.64 × 33,660.56
  4. Step 4: Simplify right side
    58,802.96x = 2,731,542,326.20
  5. Step 5: Solve for x
    x = 2,731,542,326.20/58,802.96
  6. Step 6: Final answer
    x = 46,452.46

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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.