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Finding the Fourth Proportional to 37,999.80, 56,999.83 and 11,704.40

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Solution

The fourth proportional to 37,999.80, 56,999.83 and 11,704.40 is: 17,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.80 : 56,999.83 = 11,704.40 : x
  2. Step 2: Convert to fraction form
    37,999.80/56,999.83 = 11,704.40/x
  3. Step 3: Cross multiply
    37,999.80x = 56,999.83 × 11,704.40
  4. Step 4: Simplify right side
    37,999.80x = 667,148,810.25
  5. Step 5: Solve for x
    x = 667,148,810.25/37,999.80
  6. Step 6: Final answer
    x = 17,556.64

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1.5x scale

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.