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Finding the Fourth Proportional to 58,771.49, 81,104.65 and 31,914.00

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Solution

The fourth proportional to 58,771.49, 81,104.65 and 31,914.00 is: 44,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771.49 : 81,104.65 = 31,914.00 : x
  2. Step 2: Convert to fraction form
    58,771.49/81,104.65 = 31,914.00/x
  3. Step 3: Cross multiply
    58,771.49x = 81,104.65 × 31,914.00
  4. Step 4: Simplify right side
    58,771.49x = 2,588,373,464.85
  5. Step 5: Solve for x
    x = 2,588,373,464.85/58,771.49
  6. Step 6: Final answer
    x = 44,041.31

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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.