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Finding the Fourth Proportional to 8,980.94, 13,471.40 and 2,406.96

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Solution

The fourth proportional to 8,980.94, 13,471.40 and 2,406.96 is: 3,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.94 : 13,471.40 = 2,406.96 : x
  2. Step 2: Convert to fraction form
    8,980.94/13,471.40 = 2,406.96/x
  3. Step 3: Cross multiply
    8,980.94x = 13,471.40 × 2,406.96
  4. Step 4: Simplify right side
    8,980.94x = 32,425,120.94
  5. Step 5: Solve for x
    x = 32,425,120.94/8,980.94
  6. Step 6: Final answer
    x = 3,610.44

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Similar ratio
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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.