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Finding the Fourth Proportional to 40,994.98, 61,494.51 and 18,798.28

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Solution

The fourth proportional to 40,994.98, 61,494.51 and 18,798.28 is: 28,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,994.98 : 61,494.51 = 18,798.28 : x
  2. Step 2: Convert to fraction form
    40,994.98/61,494.51 = 18,798.28/x
  3. Step 3: Cross multiply
    40,994.98x = 61,494.51 × 18,798.28
  4. Step 4: Simplify right side
    40,994.98x = 1,155,991,017.44
  5. Step 5: Solve for x
    x = 1,155,991,017.44/40,994.98
  6. Step 6: Final answer
    x = 28,198.36

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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.