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Finding the Fourth Proportional to 6,805.48, 10,206.96 and 1,874.48

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Solution

The fourth proportional to 6,805.48, 10,206.96 and 1,874.48 is: 2,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.48 : 10,206.96 = 1,874.48 : x
  2. Step 2: Convert to fraction form
    6,805.48/10,206.96 = 1,874.48/x
  3. Step 3: Cross multiply
    6,805.48x = 10,206.96 × 1,874.48
  4. Step 4: Simplify right side
    6,805.48x = 19,132,694.86
  5. Step 5: Solve for x
    x = 19,132,694.86/6,805.48
  6. Step 6: Final answer
    x = 2,811.37

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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.