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Finding the Fourth Proportional to 58,644.59, 87,962.54 and 18,662.00

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Solution

The fourth proportional to 58,644.59, 87,962.54 and 18,662.00 is: 27,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,644.59 : 87,962.54 = 18,662.00 : x
  2. Step 2: Convert to fraction form
    58,644.59/87,962.54 = 18,662.00/x
  3. Step 3: Cross multiply
    58,644.59x = 87,962.54 × 18,662.00
  4. Step 4: Simplify right side
    58,644.59x = 1,641,556,388.36
  5. Step 5: Solve for x
    x = 1,641,556,388.36/58,644.59
  6. Step 6: Final answer
    x = 27,991.61

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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.