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Finding the Fourth Proportional to 37,676.49, 51,994.49 and 20,682.42

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Solution

The fourth proportional to 37,676.49, 51,994.49 and 20,682.42 is: 28,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,676.49 : 51,994.49 = 20,682.42 : x
  2. Step 2: Convert to fraction form
    37,676.49/51,994.49 = 20,682.42/x
  3. Step 3: Cross multiply
    37,676.49x = 51,994.49 × 20,682.42
  4. Step 4: Simplify right side
    37,676.49x = 1,075,371,776.45
  5. Step 5: Solve for x
    x = 1,075,371,776.45/37,676.49
  6. Step 6: Final answer
    x = 28,542.25

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1.5x scale

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.