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Finding the Fourth Proportional to 69,089.92, 103,623.88 and 24,708.40

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Solution

The fourth proportional to 69,089.92, 103,623.88 and 24,708.40 is: 37,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.92 : 103,623.88 = 24,708.40 : x
  2. Step 2: Convert to fraction form
    69,089.92/103,623.88 = 24,708.40/x
  3. Step 3: Cross multiply
    69,089.92x = 103,623.88 × 24,708.40
  4. Step 4: Simplify right side
    69,089.92x = 2,560,380,276.59
  5. Step 5: Solve for x
    x = 2,560,380,276.59/69,089.92
  6. Step 6: Final answer
    x = 37,058.67

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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.