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Finding the Fourth Proportional to 58,548.03, 80,796.04 and 31,690.99

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Solution

The fourth proportional to 58,548.03, 80,796.04 and 31,690.99 is: 43,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.03 : 80,796.04 = 31,690.99 : x
  2. Step 2: Convert to fraction form
    58,548.03/80,796.04 = 31,690.99/x
  3. Step 3: Cross multiply
    58,548.03x = 80,796.04 × 31,690.99
  4. Step 4: Simplify right side
    58,548.03x = 2,560,506,495.68
  5. Step 5: Solve for x
    x = 2,560,506,495.68/58,548.03
  6. Step 6: Final answer
    x = 43,733.44

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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.