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Finding the Fourth Proportional to 6,751.82, 10,127.74 and 2,856.26

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Solution

The fourth proportional to 6,751.82, 10,127.74 and 2,856.26 is: 4,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.82 : 10,127.74 = 2,856.26 : x
  2. Step 2: Convert to fraction form
    6,751.82/10,127.74 = 2,856.26/x
  3. Step 3: Cross multiply
    6,751.82x = 10,127.74 × 2,856.26
  4. Step 4: Simplify right side
    6,751.82x = 28,927,458.65
  5. Step 5: Solve for x
    x = 28,927,458.65/6,751.82
  6. Step 6: Final answer
    x = 4,284.39

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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.