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Finding the Fourth Proportional to 13,060.92, 18,039.03 and 8,604.60

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Solution

The fourth proportional to 13,060.92, 18,039.03 and 8,604.60 is: 11,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.92 : 18,039.03 = 8,604.60 : x
  2. Step 2: Convert to fraction form
    13,060.92/18,039.03 = 8,604.60/x
  3. Step 3: Cross multiply
    13,060.92x = 18,039.03 × 8,604.60
  4. Step 4: Simplify right side
    13,060.92x = 155,218,637.54
  5. Step 5: Solve for x
    x = 155,218,637.54/13,060.92
  6. Step 6: Final answer
    x = 11,884.20

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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.