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Finding the Fourth Proportional to 44,575, 66,865.74 and 16,873

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Solution

The fourth proportional to 44,575, 66,865.74 and 16,873 is: 25,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,575 : 66,865.74 = 16,873 : x
  2. Step 2: Convert to fraction form
    44,575/66,865.74 = 16,873/x
  3. Step 3: Cross multiply
    44,575x = 66,865.74 × 16,873
  4. Step 4: Simplify right side
    44,575x = 1,128,225,631.02
  5. Step 5: Solve for x
    x = 1,128,225,631.02/44,575
  6. Step 6: Final answer
    x = 25,310.73

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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.