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Finding the Fourth Proportional to 69,363.20, 104,025.60 and 27,814.40

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Solution

The fourth proportional to 69,363.20, 104,025.60 and 27,814.40 is: 41,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.20 : 104,025.60 = 27,814.40 : x
  2. Step 2: Convert to fraction form
    69,363.20/104,025.60 = 27,814.40/x
  3. Step 3: Cross multiply
    69,363.20x = 104,025.60 × 27,814.40
  4. Step 4: Simplify right side
    69,363.20x = 2,893,409,648.64
  5. Step 5: Solve for x
    x = 2,893,409,648.64/69,363.20
  6. Step 6: Final answer
    x = 41,713.90

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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.