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Finding the Fourth Proportional to 3,266.88, 4,890.98 and 3,059.97

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Solution

The fourth proportional to 3,266.88, 4,890.98 and 3,059.97 is: 4,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.88 : 4,890.98 = 3,059.97 : x
  2. Step 2: Convert to fraction form
    3,266.88/4,890.98 = 3,059.97/x
  3. Step 3: Cross multiply
    3,266.88x = 4,890.98 × 3,059.97
  4. Step 4: Simplify right side
    3,266.88x = 14,966,236.77
  5. Step 5: Solve for x
    x = 14,966,236.77/3,266.88
  6. Step 6: Final answer
    x = 4,581.20

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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.