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Finding the Fourth Proportional to 69,378.80, 104,042.60 and 22,633.20

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Solution

The fourth proportional to 69,378.80, 104,042.60 and 22,633.20 is: 33,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,378.80 : 104,042.60 = 22,633.20 : x
  2. Step 2: Convert to fraction form
    69,378.80/104,042.60 = 22,633.20/x
  3. Step 3: Cross multiply
    69,378.80x = 104,042.60 × 22,633.20
  4. Step 4: Simplify right side
    69,378.80x = 2,354,816,974.32
  5. Step 5: Solve for x
    x = 2,354,816,974.32/69,378.80
  6. Step 6: Final answer
    x = 33,941.45

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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.