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Finding the Fourth Proportional to 14,855.91, 20,500.52 and 8,884.05

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Solution

The fourth proportional to 14,855.91, 20,500.52 and 8,884.05 is: 12,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.91 : 20,500.52 = 8,884.05 : x
  2. Step 2: Convert to fraction form
    14,855.91/20,500.52 = 8,884.05/x
  3. Step 3: Cross multiply
    14,855.91x = 20,500.52 × 8,884.05
  4. Step 4: Simplify right side
    14,855.91x = 182,127,600.29
  5. Step 5: Solve for x
    x = 182,127,600.29/14,855.91
  6. Step 6: Final answer
    x = 12,259.61

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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.