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Finding the Fourth Proportional to 16,404.84, 24,614.47 and 8,611.84

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Solution

The fourth proportional to 16,404.84, 24,614.47 and 8,611.84 is: 12,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.84 : 24,614.47 = 8,611.84 : x
  2. Step 2: Convert to fraction form
    16,404.84/24,614.47 = 8,611.84/x
  3. Step 3: Cross multiply
    16,404.84x = 24,614.47 × 8,611.84
  4. Step 4: Simplify right side
    16,404.84x = 211,975,877.32
  5. Step 5: Solve for x
    x = 211,975,877.32/16,404.84
  6. Step 6: Final answer
    x = 12,921.54

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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.