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Finding the Fourth Proportional to 36,273.40, 54,410.10 and 12,902.20

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Solution

The fourth proportional to 36,273.40, 54,410.10 and 12,902.20 is: 19,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,273.40 : 54,410.10 = 12,902.20 : x
  2. Step 2: Convert to fraction form
    36,273.40/54,410.10 = 12,902.20/x
  3. Step 3: Cross multiply
    36,273.40x = 54,410.10 × 12,902.20
  4. Step 4: Simplify right side
    36,273.40x = 702,009,992.22
  5. Step 5: Solve for x
    x = 702,009,992.22/36,273.40
  6. Step 6: Final answer
    x = 19,353.30

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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.