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Finding the Fourth Proportional to 70,797.46, 97,696.77 and 38,960.20

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Solution

The fourth proportional to 70,797.46, 97,696.77 and 38,960.20 is: 53,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,797.46 : 97,696.77 = 38,960.20 : x
  2. Step 2: Convert to fraction form
    70,797.46/97,696.77 = 38,960.20/x
  3. Step 3: Cross multiply
    70,797.46x = 97,696.77 × 38,960.20
  4. Step 4: Simplify right side
    70,797.46x = 3,806,285,698.55
  5. Step 5: Solve for x
    x = 3,806,285,698.55/70,797.46
  6. Step 6: Final answer
    x = 53,763.03

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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.