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Finding the Fourth Proportional to 5,855.73, 8,782.32 and 1,853.43

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Solution

The fourth proportional to 5,855.73, 8,782.32 and 1,853.43 is: 2,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.73 : 8,782.32 = 1,853.43 : x
  2. Step 2: Convert to fraction form
    5,855.73/8,782.32 = 1,853.43/x
  3. Step 3: Cross multiply
    5,855.73x = 8,782.32 × 1,853.43
  4. Step 4: Simplify right side
    5,855.73x = 16,277,393.60
  5. Step 5: Solve for x
    x = 16,277,393.60/5,855.73
  6. Step 6: Final answer
    x = 2,779.74

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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.