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Finding the Fourth Proportional to 13,598.01, 20,388.81 and 6,100.20

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Solution

The fourth proportional to 13,598.01, 20,388.81 and 6,100.20 is: 9,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.01 : 20,388.81 = 6,100.20 : x
  2. Step 2: Convert to fraction form
    13,598.01/20,388.81 = 6,100.20/x
  3. Step 3: Cross multiply
    13,598.01x = 20,388.81 × 6,100.20
  4. Step 4: Simplify right side
    13,598.01x = 124,375,818.76
  5. Step 5: Solve for x
    x = 124,375,818.76/13,598.01
  6. Step 6: Final answer
    x = 9,146.62

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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.