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Finding the Fourth Proportional to 58,496.21, 80,724.79 and 33,007.98

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Solution

The fourth proportional to 58,496.21, 80,724.79 and 33,007.98 is: 45,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,496.21 : 80,724.79 = 33,007.98 : x
  2. Step 2: Convert to fraction form
    58,496.21/80,724.79 = 33,007.98/x
  3. Step 3: Cross multiply
    58,496.21x = 80,724.79 × 33,007.98
  4. Step 4: Simplify right side
    58,496.21x = 2,664,562,324.35
  5. Step 5: Solve for x
    x = 2,664,562,324.35/58,496.21
  6. Step 6: Final answer
    x = 45,551.02

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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.