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Finding the Fourth Proportional to 35,995.82, 53,994.22 and 12,622.94

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Solution

The fourth proportional to 35,995.82, 53,994.22 and 12,622.94 is: 18,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,995.82 : 53,994.22 = 12,622.94 : x
  2. Step 2: Convert to fraction form
    35,995.82/53,994.22 = 12,622.94/x
  3. Step 3: Cross multiply
    35,995.82x = 53,994.22 × 12,622.94
  4. Step 4: Simplify right side
    35,995.82x = 681,565,799.41
  5. Step 5: Solve for x
    x = 681,565,799.41/35,995.82
  6. Step 6: Final answer
    x = 18,934.58

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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.