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Finding the Fourth Proportional to 9,628.44, 14,467.02 and 9,239.64

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Solution

The fourth proportional to 9,628.44, 14,467.02 and 9,239.64 is: 13,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.44 : 14,467.02 = 9,239.64 : x
  2. Step 2: Convert to fraction form
    9,628.44/14,467.02 = 9,239.64/x
  3. Step 3: Cross multiply
    9,628.44x = 14,467.02 × 9,239.64
  4. Step 4: Simplify right side
    9,628.44x = 133,670,056.67
  5. Step 5: Solve for x
    x = 133,670,056.67/9,628.44
  6. Step 6: Final answer
    x = 13,882.84

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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.