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Finding the Fourth Proportional to 13,596.71, 20,395.28 and 3,735.92

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Solution

The fourth proportional to 13,596.71, 20,395.28 and 3,735.92 is: 5,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.71 : 20,395.28 = 3,735.92 : x
  2. Step 2: Convert to fraction form
    13,596.71/20,395.28 = 3,735.92/x
  3. Step 3: Cross multiply
    13,596.71x = 20,395.28 × 3,735.92
  4. Step 4: Simplify right side
    13,596.71x = 76,195,194.79
  5. Step 5: Solve for x
    x = 76,195,194.79/13,596.71
  6. Step 6: Final answer
    x = 5,603.95

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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.