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Finding the Fourth Proportional to 12,497.58, 17,222.94 and 8,954.64

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Solution

The fourth proportional to 12,497.58, 17,222.94 and 8,954.64 is: 12,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.58 : 17,222.94 = 8,954.64 : x
  2. Step 2: Convert to fraction form
    12,497.58/17,222.94 = 8,954.64/x
  3. Step 3: Cross multiply
    12,497.58x = 17,222.94 × 8,954.64
  4. Step 4: Simplify right side
    12,497.58x = 154,225,227.44
  5. Step 5: Solve for x
    x = 154,225,227.44/12,497.58
  6. Step 6: Final answer
    x = 12,340.41

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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.