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Finding the Fourth Proportional to 27,479.60, 41,201.40 and 10,829.60

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Solution

The fourth proportional to 27,479.60, 41,201.40 and 10,829.60 is: 16,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.60 : 41,201.40 = 10,829.60 : x
  2. Step 2: Convert to fraction form
    27,479.60/41,201.40 = 10,829.60/x
  3. Step 3: Cross multiply
    27,479.60x = 41,201.40 × 10,829.60
  4. Step 4: Simplify right side
    27,479.60x = 446,194,681.44
  5. Step 5: Solve for x
    x = 446,194,681.44/27,479.60
  6. Step 6: Final answer
    x = 16,237.31

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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.