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Finding the Fourth Proportional to 35,524.80, 53,238.60 and 28,963.80

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Solution

The fourth proportional to 35,524.80, 53,238.60 and 28,963.80 is: 43,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,524.80 : 53,238.60 = 28,963.80 : x
  2. Step 2: Convert to fraction form
    35,524.80/53,238.60 = 28,963.80/x
  3. Step 3: Cross multiply
    35,524.80x = 53,238.60 × 28,963.80
  4. Step 4: Simplify right side
    35,524.80x = 1,541,992,162.68
  5. Step 5: Solve for x
    x = 1,541,992,162.68/35,524.80
  6. Step 6: Final answer
    x = 43,406.08

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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.