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Finding the Fourth Proportional to 69,640.40, 104,460.60 and 22,894.80

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Solution

The fourth proportional to 69,640.40, 104,460.60 and 22,894.80 is: 34,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.40 : 104,460.60 = 22,894.80 : x
  2. Step 2: Convert to fraction form
    69,640.40/104,460.60 = 22,894.80/x
  3. Step 3: Cross multiply
    69,640.40x = 104,460.60 × 22,894.80
  4. Step 4: Simplify right side
    69,640.40x = 2,391,604,544.88
  5. Step 5: Solve for x
    x = 2,391,604,544.88/69,640.40
  6. Step 6: Final answer
    x = 34,342.20

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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.