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Finding the Fourth Proportional to 14,752.21, 22,128.02 and 3,658.96

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Solution

The fourth proportional to 14,752.21, 22,128.02 and 3,658.96 is: 5,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.21 : 22,128.02 = 3,658.96 : x
  2. Step 2: Convert to fraction form
    14,752.21/22,128.02 = 3,658.96/x
  3. Step 3: Cross multiply
    14,752.21x = 22,128.02 × 3,658.96
  4. Step 4: Simplify right side
    14,752.21x = 80,965,540.06
  5. Step 5: Solve for x
    x = 80,965,540.06/14,752.21
  6. Step 6: Final answer
    x = 5,488.37

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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.