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Finding the Fourth Proportional to 17,887.53, 26,813.84 and 8,525.05

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Solution

The fourth proportional to 17,887.53, 26,813.84 and 8,525.05 is: 12,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.53 : 26,813.84 = 8,525.05 : x
  2. Step 2: Convert to fraction form
    17,887.53/26,813.84 = 8,525.05/x
  3. Step 3: Cross multiply
    17,887.53x = 26,813.84 × 8,525.05
  4. Step 4: Simplify right side
    17,887.53x = 228,589,217.03
  5. Step 5: Solve for x
    x = 228,589,217.03/17,887.53
  6. Step 6: Final answer
    x = 12,779.25

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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.