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Finding the Fourth Proportional to 58,814.93, 81,165.10 and 31,957.44

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Solution

The fourth proportional to 58,814.93, 81,165.10 and 31,957.44 is: 44,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,814.93 : 81,165.10 = 31,957.44 : x
  2. Step 2: Convert to fraction form
    58,814.93/81,165.10 = 31,957.44/x
  3. Step 3: Cross multiply
    58,814.93x = 81,165.10 × 31,957.44
  4. Step 4: Simplify right side
    58,814.93x = 2,593,828,813.34
  5. Step 5: Solve for x
    x = 2,593,828,813.34/58,814.93
  6. Step 6: Final answer
    x = 44,101.54

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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.