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Finding the Fourth Proportional to 13,365.69, 20,049.74 and 4,600.68

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Solution

The fourth proportional to 13,365.69, 20,049.74 and 4,600.68 is: 6,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.69 : 20,049.74 = 4,600.68 : x
  2. Step 2: Convert to fraction form
    13,365.69/20,049.74 = 4,600.68/x
  3. Step 3: Cross multiply
    13,365.69x = 20,049.74 × 4,600.68
  4. Step 4: Simplify right side
    13,365.69x = 92,242,414.82
  5. Step 5: Solve for x
    x = 92,242,414.82/13,365.69
  6. Step 6: Final answer
    x = 6,901.43

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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.