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Finding the Fourth Proportional to 16,404.70, 24,610.96 and 5,311.40

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Solution

The fourth proportional to 16,404.70, 24,610.96 and 5,311.40 is: 7,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.70 : 24,610.96 = 5,311.40 : x
  2. Step 2: Convert to fraction form
    16,404.70/24,610.96 = 5,311.40/x
  3. Step 3: Cross multiply
    16,404.70x = 24,610.96 × 5,311.40
  4. Step 4: Simplify right side
    16,404.70x = 130,718,652.94
  5. Step 5: Solve for x
    x = 130,718,652.94/16,404.70
  6. Step 6: Final answer
    x = 7,968.37

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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.