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Finding the Fourth Proportional to 12,353.04, 18,496.08 and 7,351.56

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Solution

The fourth proportional to 12,353.04, 18,496.08 and 7,351.56 is: 11,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.04 : 18,496.08 = 7,351.56 : x
  2. Step 2: Convert to fraction form
    12,353.04/18,496.08 = 7,351.56/x
  3. Step 3: Cross multiply
    12,353.04x = 18,496.08 × 7,351.56
  4. Step 4: Simplify right side
    12,353.04x = 135,975,041.88
  5. Step 5: Solve for x
    x = 135,975,041.88/12,353.04
  6. Step 6: Final answer
    x = 11,007.42

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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.