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Finding the Fourth Proportional to 35,997.80, 53,994.98 and 12,622.46

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Solution

The fourth proportional to 35,997.80, 53,994.98 and 12,622.46 is: 18,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,997.80 : 53,994.98 = 12,622.46 : x
  2. Step 2: Convert to fraction form
    35,997.80/53,994.98 = 12,622.46/x
  3. Step 3: Cross multiply
    35,997.80x = 53,994.98 × 12,622.46
  4. Step 4: Simplify right side
    35,997.80x = 681,549,475.25
  5. Step 5: Solve for x
    x = 681,549,475.25/35,997.80
  6. Step 6: Final answer
    x = 18,933.09

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.