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Finding the Fourth Proportional to 45,460.60, 68,201.22 and 13,873.48

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Solution

The fourth proportional to 45,460.60, 68,201.22 and 13,873.48 is: 20,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,460.60 : 68,201.22 = 13,873.48 : x
  2. Step 2: Convert to fraction form
    45,460.60/68,201.22 = 13,873.48/x
  3. Step 3: Cross multiply
    45,460.60x = 68,201.22 × 13,873.48
  4. Step 4: Simplify right side
    45,460.60x = 946,187,851.27
  5. Step 5: Solve for x
    x = 946,187,851.27/45,460.60
  6. Step 6: Final answer
    x = 20,813.36

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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.