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Finding the Fourth Proportional to 14,674.44, 20,250.64 and 7,960.08

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Solution

The fourth proportional to 14,674.44, 20,250.64 and 7,960.08 is: 10,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.44 : 20,250.64 = 7,960.08 : x
  2. Step 2: Convert to fraction form
    14,674.44/20,250.64 = 7,960.08/x
  3. Step 3: Cross multiply
    14,674.44x = 20,250.64 × 7,960.08
  4. Step 4: Simplify right side
    14,674.44x = 161,196,714.45
  5. Step 5: Solve for x
    x = 161,196,714.45/14,674.44
  6. Step 6: Final answer
    x = 10,984.86

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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.