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Finding the Fourth Proportional to 12,797.93, 17,660.41 and 7,055.20

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Solution

The fourth proportional to 12,797.93, 17,660.41 and 7,055.20 is: 9,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.93 : 17,660.41 = 7,055.20 : x
  2. Step 2: Convert to fraction form
    12,797.93/17,660.41 = 7,055.20/x
  3. Step 3: Cross multiply
    12,797.93x = 17,660.41 × 7,055.20
  4. Step 4: Simplify right side
    12,797.93x = 124,597,636.33
  5. Step 5: Solve for x
    x = 124,597,636.33/12,797.93
  6. Step 6: Final answer
    x = 9,735.77

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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.