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Finding the Fourth Proportional to 5,674.92, 8,514.99 and 2,555.76

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Solution

The fourth proportional to 5,674.92, 8,514.99 and 2,555.76 is: 3,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.92 : 8,514.99 = 2,555.76 : x
  2. Step 2: Convert to fraction form
    5,674.92/8,514.99 = 2,555.76/x
  3. Step 3: Cross multiply
    5,674.92x = 8,514.99 × 2,555.76
  4. Step 4: Simplify right side
    5,674.92x = 21,762,270.84
  5. Step 5: Solve for x
    x = 21,762,270.84/5,674.92
  6. Step 6: Final answer
    x = 3,834.82

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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.