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Finding the Fourth Proportional to 41,200.93, 61,805.13 and 11,619.10

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Solution

The fourth proportional to 41,200.93, 61,805.13 and 11,619.10 is: 17,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,200.93 : 61,805.13 = 11,619.10 : x
  2. Step 2: Convert to fraction form
    41,200.93/61,805.13 = 11,619.10/x
  3. Step 3: Cross multiply
    41,200.93x = 61,805.13 × 11,619.10
  4. Step 4: Simplify right side
    41,200.93x = 718,119,985.98
  5. Step 5: Solve for x
    x = 718,119,985.98/41,200.93
  6. Step 6: Final answer
    x = 17,429.70

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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.