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Finding the Fourth Proportional to 66,994.83, 100,344.62 and 37,339.11

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Solution

The fourth proportional to 66,994.83, 100,344.62 and 37,339.11 is: 55,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,994.83 : 100,344.62 = 37,339.11 : x
  2. Step 2: Convert to fraction form
    66,994.83/100,344.62 = 37,339.11/x
  3. Step 3: Cross multiply
    66,994.83x = 100,344.62 × 37,339.11
  4. Step 4: Simplify right side
    66,994.83x = 3,746,778,897.44
  5. Step 5: Solve for x
    x = 3,746,778,897.44/66,994.83
  6. Step 6: Final answer
    x = 55,926.39

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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.