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Finding the Fourth Proportional to 8,201.10, 12,301.22 and 2,357.48

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Solution

The fourth proportional to 8,201.10, 12,301.22 and 2,357.48 is: 3,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.10 : 12,301.22 = 2,357.48 : x
  2. Step 2: Convert to fraction form
    8,201.10/12,301.22 = 2,357.48/x
  3. Step 3: Cross multiply
    8,201.10x = 12,301.22 × 2,357.48
  4. Step 4: Simplify right side
    8,201.10x = 28,999,880.13
  5. Step 5: Solve for x
    x = 28,999,880.13/8,201.10
  6. Step 6: Final answer
    x = 3,536.10

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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.