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Finding the Fourth Proportional to 58,651.10, 87,910.62 and 29,090.14

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Solution

The fourth proportional to 58,651.10, 87,910.62 and 29,090.14 is: 43,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,651.10 : 87,910.62 = 29,090.14 : x
  2. Step 2: Convert to fraction form
    58,651.10/87,910.62 = 29,090.14/x
  3. Step 3: Cross multiply
    58,651.10x = 87,910.62 × 29,090.14
  4. Step 4: Simplify right side
    58,651.10x = 2,557,332,243.29
  5. Step 5: Solve for x
    x = 2,557,332,243.29/58,651.10
  6. Step 6: Final answer
    x = 43,602.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.