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Finding the Fourth Proportional to 14,964.41, 20,651.03 and 8,250.30

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Solution

The fourth proportional to 14,964.41, 20,651.03 and 8,250.30 is: 11,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.41 : 20,651.03 = 8,250.30 : x
  2. Step 2: Convert to fraction form
    14,964.41/20,651.03 = 8,250.30/x
  3. Step 3: Cross multiply
    14,964.41x = 20,651.03 × 8,250.30
  4. Step 4: Simplify right side
    14,964.41x = 170,377,192.81
  5. Step 5: Solve for x
    x = 170,377,192.81/14,964.41
  6. Step 6: Final answer
    x = 11,385.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.