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Finding the Fourth Proportional to 58,842.93, 81,221.81 and 37,622.28

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Solution

The fourth proportional to 58,842.93, 81,221.81 and 37,622.28 is: 51,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,842.93 : 81,221.81 = 37,622.28 : x
  2. Step 2: Convert to fraction form
    58,842.93/81,221.81 = 37,622.28/x
  3. Step 3: Cross multiply
    58,842.93x = 81,221.81 × 37,622.28
  4. Step 4: Simplify right side
    58,842.93x = 3,055,749,677.93
  5. Step 5: Solve for x
    x = 3,055,749,677.93/58,842.93
  6. Step 6: Final answer
    x = 51,930.62

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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.