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Finding the Fourth Proportional to 70,940.20, 97,880.07 and 46,738.48

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Solution

The fourth proportional to 70,940.20, 97,880.07 and 46,738.48 is: 64,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.20 : 97,880.07 = 46,738.48 : x
  2. Step 2: Convert to fraction form
    70,940.20/97,880.07 = 46,738.48/x
  3. Step 3: Cross multiply
    70,940.20x = 97,880.07 × 46,738.48
  4. Step 4: Simplify right side
    70,940.20x = 4,574,765,816.44
  5. Step 5: Solve for x
    x = 4,574,765,816.44/70,940.20
  6. Step 6: Final answer
    x = 64,487.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.