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Finding the Fourth Proportional to 69,324.86, 103,892.48 and 37,693.55

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Solution

The fourth proportional to 69,324.86, 103,892.48 and 37,693.55 is: 56,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,324.86 : 103,892.48 = 37,693.55 : x
  2. Step 2: Convert to fraction form
    69,324.86/103,892.48 = 37,693.55/x
  3. Step 3: Cross multiply
    69,324.86x = 103,892.48 × 37,693.55
  4. Step 4: Simplify right side
    69,324.86x = 3,916,076,201.04
  5. Step 5: Solve for x
    x = 3,916,076,201.04/69,324.86
  6. Step 6: Final answer
    x = 56,488.77

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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.