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Finding the Fourth Proportional to 5,671.79, 8,505.79 and 2,384.27

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Solution

The fourth proportional to 5,671.79, 8,505.79 and 2,384.27 is: 3,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.79 : 8,505.79 = 2,384.27 : x
  2. Step 2: Convert to fraction form
    5,671.79/8,505.79 = 2,384.27/x
  3. Step 3: Cross multiply
    5,671.79x = 8,505.79 × 2,384.27
  4. Step 4: Simplify right side
    5,671.79x = 20,280,099.92
  5. Step 5: Solve for x
    x = 20,280,099.92/5,671.79
  6. Step 6: Final answer
    x = 3,575.61

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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.