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Finding the Fourth Proportional to 13,392.84, 20,063.10 and 6,362.84

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Solution

The fourth proportional to 13,392.84, 20,063.10 and 6,362.84 is: 9,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.84 : 20,063.10 = 6,362.84 : x
  2. Step 2: Convert to fraction form
    13,392.84/20,063.10 = 6,362.84/x
  3. Step 3: Cross multiply
    13,392.84x = 20,063.10 × 6,362.84
  4. Step 4: Simplify right side
    13,392.84x = 127,658,295.20
  5. Step 5: Solve for x
    x = 127,658,295.20/13,392.84
  6. Step 6: Final answer
    x = 9,531.83

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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.