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Finding the Fourth Proportional to 58,784.57, 81,122.67 and 33,634.07

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Solution

The fourth proportional to 58,784.57, 81,122.67 and 33,634.07 is: 46,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,784.57 : 81,122.67 = 33,634.07 : x
  2. Step 2: Convert to fraction form
    58,784.57/81,122.67 = 33,634.07/x
  3. Step 3: Cross multiply
    58,784.57x = 81,122.67 × 33,634.07
  4. Step 4: Simplify right side
    58,784.57x = 2,728,485,155.75
  5. Step 5: Solve for x
    x = 2,728,485,155.75/58,784.57
  6. Step 6: Final answer
    x = 46,414.99

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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.