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Finding the Fourth Proportional to 58,540.40, 87,839.40 and 44,495.60

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Solution

The fourth proportional to 58,540.40, 87,839.40 and 44,495.60 is: 66,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,540.40 : 87,839.40 = 44,495.60 : x
  2. Step 2: Convert to fraction form
    58,540.40/87,839.40 = 44,495.60/x
  3. Step 3: Cross multiply
    58,540.40x = 87,839.40 × 44,495.60
  4. Step 4: Simplify right side
    58,540.40x = 3,908,466,806.64
  5. Step 5: Solve for x
    x = 3,908,466,806.64/58,540.40
  6. Step 6: Final answer
    x = 66,765.29

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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.