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Finding the Fourth Proportional to 48,794.50, 67,336.50 and 26,438.50

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Solution

The fourth proportional to 48,794.50, 67,336.50 and 26,438.50 is: 36,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,794.50 : 67,336.50 = 26,438.50 : x
  2. Step 2: Convert to fraction form
    48,794.50/67,336.50 = 26,438.50/x
  3. Step 3: Cross multiply
    48,794.50x = 67,336.50 × 26,438.50
  4. Step 4: Simplify right side
    48,794.50x = 1,780,276,055.25
  5. Step 5: Solve for x
    x = 1,780,276,055.25/48,794.50
  6. Step 6: Final answer
    x = 36,485.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.