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Finding the Fourth Proportional to 45,769.08, 68,668.02 and 19,460.28

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Solution

The fourth proportional to 45,769.08, 68,668.02 and 19,460.28 is: 29,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.08 : 68,668.02 = 19,460.28 : x
  2. Step 2: Convert to fraction form
    45,769.08/68,668.02 = 19,460.28/x
  3. Step 3: Cross multiply
    45,769.08x = 68,668.02 × 19,460.28
  4. Step 4: Simplify right side
    45,769.08x = 1,336,298,896.25
  5. Step 5: Solve for x
    x = 1,336,298,896.25/45,769.08
  6. Step 6: Final answer
    x = 29,196.54

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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.