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Finding the Fourth Proportional to 13,593.94, 20,390 and 3,732.40

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Solution

The fourth proportional to 13,593.94, 20,390 and 3,732.40 is: 5,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.94 : 20,390 = 3,732.40 : x
  2. Step 2: Convert to fraction form
    13,593.94/20,390 = 3,732.40/x
  3. Step 3: Cross multiply
    13,593.94x = 20,390 × 3,732.40
  4. Step 4: Simplify right side
    13,593.94x = 76,103,636
  5. Step 5: Solve for x
    x = 76,103,636/13,593.94
  6. Step 6: Final answer
    x = 5,598.35

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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.