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Finding the Fourth Proportional to 13,797.89, 20,696.84 and 4,437.71

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Solution

The fourth proportional to 13,797.89, 20,696.84 and 4,437.71 is: 6,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.89 : 20,696.84 = 4,437.71 : x
  2. Step 2: Convert to fraction form
    13,797.89/20,696.84 = 4,437.71/x
  3. Step 3: Cross multiply
    13,797.89x = 20,696.84 × 4,437.71
  4. Step 4: Simplify right side
    13,797.89x = 91,846,573.84
  5. Step 5: Solve for x
    x = 91,846,573.84/13,797.89
  6. Step 6: Final answer
    x = 6,656.57

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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.