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Finding the Fourth Proportional to 55,713.44, 76,828.56 and 33,370.40

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Solution

The fourth proportional to 55,713.44, 76,828.56 and 33,370.40 is: 46,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.44 : 76,828.56 = 33,370.40 : x
  2. Step 2: Convert to fraction form
    55,713.44/76,828.56 = 33,370.40/x
  3. Step 3: Cross multiply
    55,713.44x = 76,828.56 × 33,370.40
  4. Step 4: Simplify right side
    55,713.44x = 2,563,799,778.62
  5. Step 5: Solve for x
    x = 2,563,799,778.62/55,713.44
  6. Step 6: Final answer
    x = 46,017.62

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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.