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Finding the Fourth Proportional to 13,954.97, 20,934.54 and 4,093.08

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Solution

The fourth proportional to 13,954.97, 20,934.54 and 4,093.08 is: 6,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.97 : 20,934.54 = 4,093.08 : x
  2. Step 2: Convert to fraction form
    13,954.97/20,934.54 = 4,093.08/x
  3. Step 3: Cross multiply
    13,954.97x = 20,934.54 × 4,093.08
  4. Step 4: Simplify right side
    13,954.97x = 85,686,746.98
  5. Step 5: Solve for x
    x = 85,686,746.98/13,954.97
  6. Step 6: Final answer
    x = 6,140.23

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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.