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Finding the Fourth Proportional to 5,853.87, 8,782.43 and 2,393.55

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Solution

The fourth proportional to 5,853.87, 8,782.43 and 2,393.55 is: 3,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.87 : 8,782.43 = 2,393.55 : x
  2. Step 2: Convert to fraction form
    5,853.87/8,782.43 = 2,393.55/x
  3. Step 3: Cross multiply
    5,853.87x = 8,782.43 × 2,393.55
  4. Step 4: Simplify right side
    5,853.87x = 21,021,173.36
  5. Step 5: Solve for x
    x = 21,021,173.36/5,853.87
  6. Step 6: Final answer
    x = 3,590.99

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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.