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Finding the Fourth Proportional to 43,706.20, 65,580.90 and 25,000.60

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Solution

The fourth proportional to 43,706.20, 65,580.90 and 25,000.60 is: 37,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,706.20 : 65,580.90 = 25,000.60 : x
  2. Step 2: Convert to fraction form
    43,706.20/65,580.90 = 25,000.60/x
  3. Step 3: Cross multiply
    43,706.20x = 65,580.90 × 25,000.60
  4. Step 4: Simplify right side
    43,706.20x = 1,639,561,848.54
  5. Step 5: Solve for x
    x = 1,639,561,848.54/43,706.20
  6. Step 6: Final answer
    x = 37,513.26

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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.