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Finding the Fourth Proportional to 5,804.85, 8,704.61 and 1,855.34

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Solution

The fourth proportional to 5,804.85, 8,704.61 and 1,855.34 is: 2,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.85 : 8,704.61 = 1,855.34 : x
  2. Step 2: Convert to fraction form
    5,804.85/8,704.61 = 1,855.34/x
  3. Step 3: Cross multiply
    5,804.85x = 8,704.61 × 1,855.34
  4. Step 4: Simplify right side
    5,804.85x = 16,150,008.35
  5. Step 5: Solve for x
    x = 16,150,008.35/5,804.85
  6. Step 6: Final answer
    x = 2,782.16

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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.