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Finding the Fourth Proportional to 29,467.60, 44,201.40 and 7,280.80

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Solution

The fourth proportional to 29,467.60, 44,201.40 and 7,280.80 is: 10,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.60 : 44,201.40 = 7,280.80 : x
  2. Step 2: Convert to fraction form
    29,467.60/44,201.40 = 7,280.80/x
  3. Step 3: Cross multiply
    29,467.60x = 44,201.40 × 7,280.80
  4. Step 4: Simplify right side
    29,467.60x = 321,821,553.12
  5. Step 5: Solve for x
    x = 321,821,553.12/29,467.60
  6. Step 6: Final answer
    x = 10,921.20

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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.