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Finding the Fourth Proportional to 13,907.53, 20,867.09 and 5,593.46

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Solution

The fourth proportional to 13,907.53, 20,867.09 and 5,593.46 is: 8,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.53 : 20,867.09 = 5,593.46 : x
  2. Step 2: Convert to fraction form
    13,907.53/20,867.09 = 5,593.46/x
  3. Step 3: Cross multiply
    13,907.53x = 20,867.09 × 5,593.46
  4. Step 4: Simplify right side
    13,907.53x = 116,719,100.93
  5. Step 5: Solve for x
    x = 116,719,100.93/13,907.53
  6. Step 6: Final answer
    x = 8,392.51

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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.