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Finding the Fourth Proportional to 59,325.49, 81,878.36 and 33,831.90

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Solution

The fourth proportional to 59,325.49, 81,878.36 and 33,831.90 is: 46,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,325.49 : 81,878.36 = 33,831.90 : x
  2. Step 2: Convert to fraction form
    59,325.49/81,878.36 = 33,831.90/x
  3. Step 3: Cross multiply
    59,325.49x = 81,878.36 × 33,831.90
  4. Step 4: Simplify right side
    59,325.49x = 2,770,100,487.68
  5. Step 5: Solve for x
    x = 2,770,100,487.68/59,325.49
  6. Step 6: Final answer
    x = 46,693.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.