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Finding the Fourth Proportional to 17,193.63, 23,728.67 and 9,928.06

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Solution

The fourth proportional to 17,193.63, 23,728.67 and 9,928.06 is: 13,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.63 : 23,728.67 = 9,928.06 : x
  2. Step 2: Convert to fraction form
    17,193.63/23,728.67 = 9,928.06/x
  3. Step 3: Cross multiply
    17,193.63x = 23,728.67 × 9,928.06
  4. Step 4: Simplify right side
    17,193.63x = 235,579,659.48
  5. Step 5: Solve for x
    x = 235,579,659.48/17,193.63
  6. Step 6: Final answer
    x = 13,701.57

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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.