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Finding the Fourth Proportional to 58,694.64, 80,999.64 and 31,838.04

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Solution

The fourth proportional to 58,694.64, 80,999.64 and 31,838.04 is: 43,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,694.64 : 80,999.64 = 31,838.04 : x
  2. Step 2: Convert to fraction form
    58,694.64/80,999.64 = 31,838.04/x
  3. Step 3: Cross multiply
    58,694.64x = 80,999.64 × 31,838.04
  4. Step 4: Simplify right side
    58,694.64x = 2,578,869,778.31
  5. Step 5: Solve for x
    x = 2,578,869,778.31/58,694.64
  6. Step 6: Final answer
    x = 43,937.06

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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.