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Finding the Fourth Proportional to 44,725.50, 67,090.50 and 11,445.84

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Solution

The fourth proportional to 44,725.50, 67,090.50 and 11,445.84 is: 17,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,725.50 : 67,090.50 = 11,445.84 : x
  2. Step 2: Convert to fraction form
    44,725.50/67,090.50 = 11,445.84/x
  3. Step 3: Cross multiply
    44,725.50x = 67,090.50 × 11,445.84
  4. Step 4: Simplify right side
    44,725.50x = 767,907,128.52
  5. Step 5: Solve for x
    x = 767,907,128.52/44,725.50
  6. Step 6: Final answer
    x = 17,169.34

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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.