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Finding the Fourth Proportional to 35,235.78, 52,855.52 and 8,940.75

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Solution

The fourth proportional to 35,235.78, 52,855.52 and 8,940.75 is: 13,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235.78 : 52,855.52 = 8,940.75 : x
  2. Step 2: Convert to fraction form
    35,235.78/52,855.52 = 8,940.75/x
  3. Step 3: Cross multiply
    35,235.78x = 52,855.52 × 8,940.75
  4. Step 4: Simplify right side
    35,235.78x = 472,567,990.44
  5. Step 5: Solve for x
    x = 472,567,990.44/35,235.78
  6. Step 6: Final answer
    x = 13,411.59

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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.