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Finding the Fourth Proportional to 58,000.58, 86,982.34 and 18,548.31

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Solution

The fourth proportional to 58,000.58, 86,982.34 and 18,548.31 is: 27,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.58 : 86,982.34 = 18,548.31 : x
  2. Step 2: Convert to fraction form
    58,000.58/86,982.34 = 18,548.31/x
  3. Step 3: Cross multiply
    58,000.58x = 86,982.34 × 18,548.31
  4. Step 4: Simplify right side
    58,000.58x = 1,613,375,406.85
  5. Step 5: Solve for x
    x = 1,613,375,406.85/58,000.58
  6. Step 6: Final answer
    x = 27,816.54

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1.5x scale

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.