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Finding the Fourth Proportional to 69,569.60, 104,262.88 and 37,993.60

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Solution

The fourth proportional to 69,569.60, 104,262.88 and 37,993.60 is: 56,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,569.60 : 104,262.88 = 37,993.60 : x
  2. Step 2: Convert to fraction form
    69,569.60/104,262.88 = 37,993.60/x
  3. Step 3: Cross multiply
    69,569.60x = 104,262.88 × 37,993.60
  4. Step 4: Simplify right side
    69,569.60x = 3,961,322,157.57
  5. Step 5: Solve for x
    x = 3,961,322,157.57/69,569.60
  6. Step 6: Final answer
    x = 56,940.42

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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.