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Finding the Fourth Proportional to 10,495.75, 15,743.63 and 3,473.87

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Solution

The fourth proportional to 10,495.75, 15,743.63 and 3,473.87 is: 5,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.75 : 15,743.63 = 3,473.87 : x
  2. Step 2: Convert to fraction form
    10,495.75/15,743.63 = 3,473.87/x
  3. Step 3: Cross multiply
    10,495.75x = 15,743.63 × 3,473.87
  4. Step 4: Simplify right side
    10,495.75x = 54,691,323.95
  5. Step 5: Solve for x
    x = 54,691,323.95/10,495.75
  6. Step 6: Final answer
    x = 5,210.81

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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.