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Finding the Fourth Proportional to 36,994.92, 51,057.50 and 20,865.32

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Solution

The fourth proportional to 36,994.92, 51,057.50 and 20,865.32 is: 28,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,994.92 : 51,057.50 = 20,865.32 : x
  2. Step 2: Convert to fraction form
    36,994.92/51,057.50 = 20,865.32/x
  3. Step 3: Cross multiply
    36,994.92x = 51,057.50 × 20,865.32
  4. Step 4: Simplify right side
    36,994.92x = 1,065,331,075.90
  5. Step 5: Solve for x
    x = 1,065,331,075.90/36,994.92
  6. Step 6: Final answer
    x = 28,796.69

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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.