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Finding the Fourth Proportional to 34,364.40, 51,546.60 and 26,578.80

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Solution

The fourth proportional to 34,364.40, 51,546.60 and 26,578.80 is: 39,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.40 : 51,546.60 = 26,578.80 : x
  2. Step 2: Convert to fraction form
    34,364.40/51,546.60 = 26,578.80/x
  3. Step 3: Cross multiply
    34,364.40x = 51,546.60 × 26,578.80
  4. Step 4: Simplify right side
    34,364.40x = 1,370,046,772.08
  5. Step 5: Solve for x
    x = 1,370,046,772.08/34,364.40
  6. Step 6: Final answer
    x = 39,868.20

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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.