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Finding the Fourth Proportional to 58,880.72, 81,234.78 and 33,383.36

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Solution

The fourth proportional to 58,880.72, 81,234.78 and 33,383.36 is: 46,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,880.72 : 81,234.78 = 33,383.36 : x
  2. Step 2: Convert to fraction form
    58,880.72/81,234.78 = 33,383.36/x
  3. Step 3: Cross multiply
    58,880.72x = 81,234.78 × 33,383.36
  4. Step 4: Simplify right side
    58,880.72x = 2,711,889,905.26
  5. Step 5: Solve for x
    x = 2,711,889,905.26/58,880.72
  6. Step 6: Final answer
    x = 46,057.35

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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.