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Finding the Fourth Proportional to 57,831.66, 79,808.31 and 33,958.62

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Solution

The fourth proportional to 57,831.66, 79,808.31 and 33,958.62 is: 46,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,831.66 : 79,808.31 = 33,958.62 : x
  2. Step 2: Convert to fraction form
    57,831.66/79,808.31 = 33,958.62/x
  3. Step 3: Cross multiply
    57,831.66x = 79,808.31 × 33,958.62
  4. Step 4: Simplify right side
    57,831.66x = 2,710,180,072.13
  5. Step 5: Solve for x
    x = 2,710,180,072.13/57,831.66
  6. Step 6: Final answer
    x = 46,863.26

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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.