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Finding the Fourth Proportional to 58,715.50, 81,027.42 and 33,565.54

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Solution

The fourth proportional to 58,715.50, 81,027.42 and 33,565.54 is: 46,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.50 : 81,027.42 = 33,565.54 : x
  2. Step 2: Convert to fraction form
    58,715.50/81,027.42 = 33,565.54/x
  3. Step 3: Cross multiply
    58,715.50x = 81,027.42 × 33,565.54
  4. Step 4: Simplify right side
    58,715.50x = 2,719,729,107.11
  5. Step 5: Solve for x
    x = 2,719,729,107.11/58,715.50
  6. Step 6: Final answer
    x = 46,320.46

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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.