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Finding the Fourth Proportional to 58,494.73, 80,722.74 and 33,006.50

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Solution

The fourth proportional to 58,494.73, 80,722.74 and 33,006.50 is: 45,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,494.73 : 80,722.74 = 33,006.50 : x
  2. Step 2: Convert to fraction form
    58,494.73/80,722.74 = 33,006.50/x
  3. Step 3: Cross multiply
    58,494.73x = 80,722.74 × 33,006.50
  4. Step 4: Simplify right side
    58,494.73x = 2,664,375,117.81
  5. Step 5: Solve for x
    x = 2,664,375,117.81/58,494.73
  6. Step 6: Final answer
    x = 45,548.98

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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.