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Finding the Fourth Proportional to 17,955.73, 26,921.08 and 7,955.04

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Solution

The fourth proportional to 17,955.73, 26,921.08 and 7,955.04 is: 11,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.73 : 26,921.08 = 7,955.04 : x
  2. Step 2: Convert to fraction form
    17,955.73/26,921.08 = 7,955.04/x
  3. Step 3: Cross multiply
    17,955.73x = 26,921.08 × 7,955.04
  4. Step 4: Simplify right side
    17,955.73x = 214,158,268.24
  5. Step 5: Solve for x
    x = 214,158,268.24/17,955.73
  6. Step 6: Final answer
    x = 11,927.02

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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.