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Finding the Fourth Proportional to 46,672.78, 69,996.60 and 17,090.78

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Solution

The fourth proportional to 46,672.78, 69,996.60 and 17,090.78 is: 25,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,672.78 : 69,996.60 = 17,090.78 : x
  2. Step 2: Convert to fraction form
    46,672.78/69,996.60 = 17,090.78/x
  3. Step 3: Cross multiply
    46,672.78x = 69,996.60 × 17,090.78
  4. Step 4: Simplify right side
    46,672.78x = 1,196,296,491.35
  5. Step 5: Solve for x
    x = 1,196,296,491.35/46,672.78
  6. Step 6: Final answer
    x = 25,631.57

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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.