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Finding the Fourth Proportional to 55,763.84, 76,952.84 and 31,889.09

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Solution

The fourth proportional to 55,763.84, 76,952.84 and 31,889.09 is: 44,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.84 : 76,952.84 = 31,889.09 : x
  2. Step 2: Convert to fraction form
    55,763.84/76,952.84 = 31,889.09/x
  3. Step 3: Cross multiply
    55,763.84x = 76,952.84 × 31,889.09
  4. Step 4: Simplify right side
    55,763.84x = 2,453,956,073.45
  5. Step 5: Solve for x
    x = 2,453,956,073.45/55,763.84
  6. Step 6: Final answer
    x = 44,006.22

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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.