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Finding the Fourth Proportional to 11,073.80, 16,610.70 and 3,679.40

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Solution

The fourth proportional to 11,073.80, 16,610.70 and 3,679.40 is: 5,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.80 : 16,610.70 = 3,679.40 : x
  2. Step 2: Convert to fraction form
    11,073.80/16,610.70 = 3,679.40/x
  3. Step 3: Cross multiply
    11,073.80x = 16,610.70 × 3,679.40
  4. Step 4: Simplify right side
    11,073.80x = 61,117,409.58
  5. Step 5: Solve for x
    x = 61,117,409.58/11,073.80
  6. Step 6: Final answer
    x = 5,519.10

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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.