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Finding the Fourth Proportional to 57,752.70, 79,676.76 and 36,233.33

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Solution

The fourth proportional to 57,752.70, 79,676.76 and 36,233.33 is: 49,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.70 : 79,676.76 = 36,233.33 : x
  2. Step 2: Convert to fraction form
    57,752.70/79,676.76 = 36,233.33/x
  3. Step 3: Cross multiply
    57,752.70x = 79,676.76 × 36,233.33
  4. Step 4: Simplify right side
    57,752.70x = 2,886,954,075.90
  5. Step 5: Solve for x
    x = 2,886,954,075.90/57,752.70
  6. Step 6: Final answer
    x = 49,988.21

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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.