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Finding the Fourth Proportional to 69,726.97, 104,532.16 and 32,313.86

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Solution

The fourth proportional to 69,726.97, 104,532.16 and 32,313.86 is: 48,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726.97 : 104,532.16 = 32,313.86 : x
  2. Step 2: Convert to fraction form
    69,726.97/104,532.16 = 32,313.86/x
  3. Step 3: Cross multiply
    69,726.97x = 104,532.16 × 32,313.86
  4. Step 4: Simplify right side
    69,726.97x = 3,377,837,583.74
  5. Step 5: Solve for x
    x = 3,377,837,583.74/69,726.97
  6. Step 6: Final answer
    x = 48,443.77

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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.