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Finding the Fourth Proportional to 37,566.50, 51,843.48 and 20,799.50

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Solution

The fourth proportional to 37,566.50, 51,843.48 and 20,799.50 is: 28,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,566.50 : 51,843.48 = 20,799.50 : x
  2. Step 2: Convert to fraction form
    37,566.50/51,843.48 = 20,799.50/x
  3. Step 3: Cross multiply
    37,566.50x = 51,843.48 × 20,799.50
  4. Step 4: Simplify right side
    37,566.50x = 1,078,318,462.26
  5. Step 5: Solve for x
    x = 1,078,318,462.26/37,566.50
  6. Step 6: Final answer
    x = 28,704.26

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1.5x scale

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.