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Finding the Fourth Proportional to 12,283.88, 18,425.94 and 3,049.88

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Solution

The fourth proportional to 12,283.88, 18,425.94 and 3,049.88 is: 4,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.88 : 18,425.94 = 3,049.88 : x
  2. Step 2: Convert to fraction form
    12,283.88/18,425.94 = 3,049.88/x
  3. Step 3: Cross multiply
    12,283.88x = 18,425.94 × 3,049.88
  4. Step 4: Simplify right side
    12,283.88x = 56,196,813.76
  5. Step 5: Solve for x
    x = 56,196,813.76/12,283.88
  6. Step 6: Final answer
    x = 4,574.84

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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.