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Finding the Fourth Proportional to 13,093.34, 18,069.09 and 7,504.34

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Solution

The fourth proportional to 13,093.34, 18,069.09 and 7,504.34 is: 10,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.34 : 18,069.09 = 7,504.34 : x
  2. Step 2: Convert to fraction form
    13,093.34/18,069.09 = 7,504.34/x
  3. Step 3: Cross multiply
    13,093.34x = 18,069.09 × 7,504.34
  4. Step 4: Simplify right side
    13,093.34x = 135,596,594.85
  5. Step 5: Solve for x
    x = 135,596,594.85/13,093.34
  6. Step 6: Final answer
    x = 10,356.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.