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Finding the Fourth Proportional to 14,532.56, 21,799.12 and 4,144.56

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Solution

The fourth proportional to 14,532.56, 21,799.12 and 4,144.56 is: 6,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.56 : 21,799.12 = 4,144.56 : x
  2. Step 2: Convert to fraction form
    14,532.56/21,799.12 = 4,144.56/x
  3. Step 3: Cross multiply
    14,532.56x = 21,799.12 × 4,144.56
  4. Step 4: Simplify right side
    14,532.56x = 90,347,760.79
  5. Step 5: Solve for x
    x = 90,347,760.79/14,532.56
  6. Step 6: Final answer
    x = 6,216.92

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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.