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Finding the Fourth Proportional to 13,955.73, 20,934.21 and 4,469.01

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Solution

The fourth proportional to 13,955.73, 20,934.21 and 4,469.01 is: 6,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.73 : 20,934.21 = 4,469.01 : x
  2. Step 2: Convert to fraction form
    13,955.73/20,934.21 = 4,469.01/x
  3. Step 3: Cross multiply
    13,955.73x = 20,934.21 × 4,469.01
  4. Step 4: Simplify right side
    13,955.73x = 93,555,193.83
  5. Step 5: Solve for x
    x = 93,555,193.83/13,955.73
  6. Step 6: Final answer
    x = 6,703.71

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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.