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Finding the Fourth Proportional to 49,408, 74,119.68 and 16,583.68

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Solution

The fourth proportional to 49,408, 74,119.68 and 16,583.68 is: 24,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408 : 74,119.68 = 16,583.68 : x
  2. Step 2: Convert to fraction form
    49,408/74,119.68 = 16,583.68/x
  3. Step 3: Cross multiply
    49,408x = 74,119.68 × 16,583.68
  4. Step 4: Simplify right side
    49,408x = 1,229,177,054.82
  5. Step 5: Solve for x
    x = 1,229,177,054.82/49,408
  6. Step 6: Final answer
    x = 24,878.10

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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.