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Finding the Fourth Proportional to 18,464.63, 27,696.94 and 4,613.63

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Solution

The fourth proportional to 18,464.63, 27,696.94 and 4,613.63 is: 6,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.63 : 27,696.94 = 4,613.63 : x
  2. Step 2: Convert to fraction form
    18,464.63/27,696.94 = 4,613.63/x
  3. Step 3: Cross multiply
    18,464.63x = 27,696.94 × 4,613.63
  4. Step 4: Simplify right side
    18,464.63x = 127,783,283.27
  5. Step 5: Solve for x
    x = 127,783,283.27/18,464.63
  6. Step 6: Final answer
    x = 6,920.44

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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.