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Finding the Fourth Proportional to 59,964.30, 89,958.60 and 20,525.40

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Solution

The fourth proportional to 59,964.30, 89,958.60 and 20,525.40 is: 30,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,964.30 : 89,958.60 = 20,525.40 : x
  2. Step 2: Convert to fraction form
    59,964.30/89,958.60 = 20,525.40/x
  3. Step 3: Cross multiply
    59,964.30x = 89,958.60 × 20,525.40
  4. Step 4: Simplify right side
    59,964.30x = 1,846,436,248.44
  5. Step 5: Solve for x
    x = 1,846,436,248.44/59,964.30
  6. Step 6: Final answer
    x = 30,792.26

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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.