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Finding the Fourth Proportional to 56,693.54, 84,978.12 and 23,396.42

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Solution

The fourth proportional to 56,693.54, 84,978.12 and 23,396.42 is: 35,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.54 : 84,978.12 = 23,396.42 : x
  2. Step 2: Convert to fraction form
    56,693.54/84,978.12 = 23,396.42/x
  3. Step 3: Cross multiply
    56,693.54x = 84,978.12 × 23,396.42
  4. Step 4: Simplify right side
    56,693.54x = 1,988,183,786.33
  5. Step 5: Solve for x
    x = 1,988,183,786.33/56,693.54
  6. Step 6: Final answer
    x = 35,068.97

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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.