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Finding the Fourth Proportional to 13,393.56, 20,094.51 and 8,062.56

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Solution

The fourth proportional to 13,393.56, 20,094.51 and 8,062.56 is: 12,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.56 : 20,094.51 = 8,062.56 : x
  2. Step 2: Convert to fraction form
    13,393.56/20,094.51 = 8,062.56/x
  3. Step 3: Cross multiply
    13,393.56x = 20,094.51 × 8,062.56
  4. Step 4: Simplify right side
    13,393.56x = 162,013,192.55
  5. Step 5: Solve for x
    x = 162,013,192.55/13,393.56
  6. Step 6: Final answer
    x = 12,096.35

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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.