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Finding the Fourth Proportional to 4,589.73, 6,885.21 and 1,668.87

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Solution

The fourth proportional to 4,589.73, 6,885.21 and 1,668.87 is: 2,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.73 : 6,885.21 = 1,668.87 : x
  2. Step 2: Convert to fraction form
    4,589.73/6,885.21 = 1,668.87/x
  3. Step 3: Cross multiply
    4,589.73x = 6,885.21 × 1,668.87
  4. Step 4: Simplify right side
    4,589.73x = 11,490,520.41
  5. Step 5: Solve for x
    x = 11,490,520.41/4,589.73
  6. Step 6: Final answer
    x = 2,503.53

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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.