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Finding the Fourth Proportional to 14,433.96, 21,650.94 and 5,080.90

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Solution

The fourth proportional to 14,433.96, 21,650.94 and 5,080.90 is: 7,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.96 : 21,650.94 = 5,080.90 : x
  2. Step 2: Convert to fraction form
    14,433.96/21,650.94 = 5,080.90/x
  3. Step 3: Cross multiply
    14,433.96x = 21,650.94 × 5,080.90
  4. Step 4: Simplify right side
    14,433.96x = 110,006,261.05
  5. Step 5: Solve for x
    x = 110,006,261.05/14,433.96
  6. Step 6: Final answer
    x = 7,621.35

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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.