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Finding the Fourth Proportional to 14,964.33, 20,649.88 and 8,250.24

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Solution

The fourth proportional to 14,964.33, 20,649.88 and 8,250.24 is: 11,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.33 : 20,649.88 = 8,250.24 : x
  2. Step 2: Convert to fraction form
    14,964.33/20,649.88 = 8,250.24/x
  3. Step 3: Cross multiply
    14,964.33x = 20,649.88 × 8,250.24
  4. Step 4: Simplify right side
    14,964.33x = 170,366,465.97
  5. Step 5: Solve for x
    x = 170,366,465.97/14,964.33
  6. Step 6: Final answer
    x = 11,384.84

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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.