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Finding the Fourth Proportional to 6,679.71, 10,021.88 and 2,520.92

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Solution

The fourth proportional to 6,679.71, 10,021.88 and 2,520.92 is: 3,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.71 : 10,021.88 = 2,520.92 : x
  2. Step 2: Convert to fraction form
    6,679.71/10,021.88 = 2,520.92/x
  3. Step 3: Cross multiply
    6,679.71x = 10,021.88 × 2,520.92
  4. Step 4: Simplify right side
    6,679.71x = 25,264,313.92
  5. Step 5: Solve for x
    x = 25,264,313.92/6,679.71
  6. Step 6: Final answer
    x = 3,782.25

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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.