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Finding the Fourth Proportional to 14,532.32, 21,811.44 and 6,745.52

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Solution

The fourth proportional to 14,532.32, 21,811.44 and 6,745.52 is: 10,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.32 : 21,811.44 = 6,745.52 : x
  2. Step 2: Convert to fraction form
    14,532.32/21,811.44 = 6,745.52/x
  3. Step 3: Cross multiply
    14,532.32x = 21,811.44 × 6,745.52
  4. Step 4: Simplify right side
    14,532.32x = 147,129,504.75
  5. Step 5: Solve for x
    x = 147,129,504.75/14,532.32
  6. Step 6: Final answer
    x = 10,124.30

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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.