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Finding the Fourth Proportional to 44,980.72, 67,471.16 and 11,698

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Solution

The fourth proportional to 44,980.72, 67,471.16 and 11,698 is: 17,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,980.72 : 67,471.16 = 11,698 : x
  2. Step 2: Convert to fraction form
    44,980.72/67,471.16 = 11,698/x
  3. Step 3: Cross multiply
    44,980.72x = 67,471.16 × 11,698
  4. Step 4: Simplify right side
    44,980.72x = 789,277,629.68
  5. Step 5: Solve for x
    x = 789,277,629.68/44,980.72
  6. Step 6: Final answer
    x = 17,547.02

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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.