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Finding the Fourth Proportional to 53,446.80, 80,105.40 and 23,833.20

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Solution

The fourth proportional to 53,446.80, 80,105.40 and 23,833.20 is: 35,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,446.80 : 80,105.40 = 23,833.20 : x
  2. Step 2: Convert to fraction form
    53,446.80/80,105.40 = 23,833.20/x
  3. Step 3: Cross multiply
    53,446.80x = 80,105.40 × 23,833.20
  4. Step 4: Simplify right side
    53,446.80x = 1,909,168,019.28
  5. Step 5: Solve for x
    x = 1,909,168,019.28/53,446.80
  6. Step 6: Final answer
    x = 35,720.90

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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.