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Finding the Fourth Proportional to 58,602.57, 80,871.93 and 31,745.08

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Solution

The fourth proportional to 58,602.57, 80,871.93 and 31,745.08 is: 43,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,602.57 : 80,871.93 = 31,745.08 : x
  2. Step 2: Convert to fraction form
    58,602.57/80,871.93 = 31,745.08/x
  3. Step 3: Cross multiply
    58,602.57x = 80,871.93 × 31,745.08
  4. Step 4: Simplify right side
    58,602.57x = 2,567,285,764.79
  5. Step 5: Solve for x
    x = 2,567,285,764.79/58,602.57
  6. Step 6: Final answer
    x = 43,808.42

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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.