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Finding the Fourth Proportional to 35,942.80, 53,914.20 and 22,820.80

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Solution

The fourth proportional to 35,942.80, 53,914.20 and 22,820.80 is: 34,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.80 : 53,914.20 = 22,820.80 : x
  2. Step 2: Convert to fraction form
    35,942.80/53,914.20 = 22,820.80/x
  3. Step 3: Cross multiply
    35,942.80x = 53,914.20 × 22,820.80
  4. Step 4: Simplify right side
    35,942.80x = 1,230,365,175.36
  5. Step 5: Solve for x
    x = 1,230,365,175.36/35,942.80
  6. Step 6: Final answer
    x = 34,231.20

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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.