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Finding the Fourth Proportional to 11,495.80, 17,245.05 and 4,101.31

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Solution

The fourth proportional to 11,495.80, 17,245.05 and 4,101.31 is: 6,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.80 : 17,245.05 = 4,101.31 : x
  2. Step 2: Convert to fraction form
    11,495.80/17,245.05 = 4,101.31/x
  3. Step 3: Cross multiply
    11,495.80x = 17,245.05 × 4,101.31
  4. Step 4: Simplify right side
    11,495.80x = 70,727,296.02
  5. Step 5: Solve for x
    x = 70,727,296.02/11,495.80
  6. Step 6: Final answer
    x = 6,152.45

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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.