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Finding the Fourth Proportional to 59,333.64, 81,901.08 and 36,690

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Solution

The fourth proportional to 59,333.64, 81,901.08 and 36,690 is: 50,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,333.64 : 81,901.08 = 36,690 : x
  2. Step 2: Convert to fraction form
    59,333.64/81,901.08 = 36,690/x
  3. Step 3: Cross multiply
    59,333.64x = 81,901.08 × 36,690
  4. Step 4: Simplify right side
    59,333.64x = 3,004,950,625.20
  5. Step 5: Solve for x
    x = 3,004,950,625.20/59,333.64
  6. Step 6: Final answer
    x = 50,644.97

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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.