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Finding the Fourth Proportional to 13,597.92, 20,402.73 and 7,362.39

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Solution

The fourth proportional to 13,597.92, 20,402.73 and 7,362.39 is: 11,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.92 : 20,402.73 = 7,362.39 : x
  2. Step 2: Convert to fraction form
    13,597.92/20,402.73 = 7,362.39/x
  3. Step 3: Cross multiply
    13,597.92x = 20,402.73 × 7,362.39
  4. Step 4: Simplify right side
    13,597.92x = 150,212,855.32
  5. Step 5: Solve for x
    x = 150,212,855.32/13,597.92
  6. Step 6: Final answer
    x = 11,046.75

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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.