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Finding the Fourth Proportional to 12,995.93, 17,934.39 and 7,027.60

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Solution

The fourth proportional to 12,995.93, 17,934.39 and 7,027.60 is: 9,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.93 : 17,934.39 = 7,027.60 : x
  2. Step 2: Convert to fraction form
    12,995.93/17,934.39 = 7,027.60/x
  3. Step 3: Cross multiply
    12,995.93x = 17,934.39 × 7,027.60
  4. Step 4: Simplify right side
    12,995.93x = 126,035,719.16
  5. Step 5: Solve for x
    x = 126,035,719.16/12,995.93
  6. Step 6: Final answer
    x = 9,698.09

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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.