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Finding the Fourth Proportional to 5,503.63, 8,250.51 and 1,992.80

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Solution

The fourth proportional to 5,503.63, 8,250.51 and 1,992.80 is: 2,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.63 : 8,250.51 = 1,992.80 : x
  2. Step 2: Convert to fraction form
    5,503.63/8,250.51 = 1,992.80/x
  3. Step 3: Cross multiply
    5,503.63x = 8,250.51 × 1,992.80
  4. Step 4: Simplify right side
    5,503.63x = 16,441,633.22
  5. Step 5: Solve for x
    x = 16,441,633.22/5,503.63
  6. Step 6: Final answer
    x = 2,987.42

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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.