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Finding the Fourth Proportional to 14,764.80, 20,375.04 and 8,050.56

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Solution

The fourth proportional to 14,764.80, 20,375.04 and 8,050.56 is: 11,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.80 : 20,375.04 = 8,050.56 : x
  2. Step 2: Convert to fraction form
    14,764.80/20,375.04 = 8,050.56/x
  3. Step 3: Cross multiply
    14,764.80x = 20,375.04 × 8,050.56
  4. Step 4: Simplify right side
    14,764.80x = 164,030,482.02
  5. Step 5: Solve for x
    x = 164,030,482.02/14,764.80
  6. Step 6: Final answer
    x = 11,109.56

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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.