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Finding the Fourth Proportional to 14,595, 21,879.52 and 5,358.84

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Solution

The fourth proportional to 14,595, 21,879.52 and 5,358.84 is: 8,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595 : 21,879.52 = 5,358.84 : x
  2. Step 2: Convert to fraction form
    14,595/21,879.52 = 5,358.84/x
  3. Step 3: Cross multiply
    14,595x = 21,879.52 × 5,358.84
  4. Step 4: Simplify right side
    14,595x = 117,248,846.96
  5. Step 5: Solve for x
    x = 117,248,846.96/14,595
  6. Step 6: Final answer
    x = 8,033.49

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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.