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Finding the Fourth Proportional to 6,239.44, 9,357.52 and 1,855.72

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Solution

The fourth proportional to 6,239.44, 9,357.52 and 1,855.72 is: 2,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.44 : 9,357.52 = 1,855.72 : x
  2. Step 2: Convert to fraction form
    6,239.44/9,357.52 = 1,855.72/x
  3. Step 3: Cross multiply
    6,239.44x = 9,357.52 × 1,855.72
  4. Step 4: Simplify right side
    6,239.44x = 17,364,937.01
  5. Step 5: Solve for x
    x = 17,364,937.01/6,239.44
  6. Step 6: Final answer
    x = 2,783.09

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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.