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Finding the Fourth Proportional to 14,843.75, 20,484.29 and 8,037.75

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Solution

The fourth proportional to 14,843.75, 20,484.29 and 8,037.75 is: 11,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.75 : 20,484.29 = 8,037.75 : x
  2. Step 2: Convert to fraction form
    14,843.75/20,484.29 = 8,037.75/x
  3. Step 3: Cross multiply
    14,843.75x = 20,484.29 × 8,037.75
  4. Step 4: Simplify right side
    14,843.75x = 164,647,561.76
  5. Step 5: Solve for x
    x = 164,647,561.76/14,843.75
  6. Step 6: Final answer
    x = 11,092.05

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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.