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Finding the Fourth Proportional to 43,466.98, 65,258.79 and 25,730.41

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Solution

The fourth proportional to 43,466.98, 65,258.79 and 25,730.41 is: 38,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,466.98 : 65,258.79 = 25,730.41 : x
  2. Step 2: Convert to fraction form
    43,466.98/65,258.79 = 25,730.41/x
  3. Step 3: Cross multiply
    43,466.98x = 65,258.79 × 25,730.41
  4. Step 4: Simplify right side
    43,466.98x = 1,679,135,422.80
  5. Step 5: Solve for x
    x = 1,679,135,422.80/43,466.98
  6. Step 6: Final answer
    x = 38,630.14

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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.