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Finding the Fourth Proportional to 58,958.52, 81,458.15 and 41,133.09

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Solution

The fourth proportional to 58,958.52, 81,458.15 and 41,133.09 is: 56,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,958.52 : 81,458.15 = 41,133.09 : x
  2. Step 2: Convert to fraction form
    58,958.52/81,458.15 = 41,133.09/x
  3. Step 3: Cross multiply
    58,958.52x = 81,458.15 × 41,133.09
  4. Step 4: Simplify right side
    58,958.52x = 3,350,625,415.18
  5. Step 5: Solve for x
    x = 3,350,625,415.18/58,958.52
  6. Step 6: Final answer
    x = 56,830.22

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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.