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Finding the Fourth Proportional to 17,186.24, 25,779.12 and 4,874.24

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Solution

The fourth proportional to 17,186.24, 25,779.12 and 4,874.24 is: 7,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.24 : 25,779.12 = 4,874.24 : x
  2. Step 2: Convert to fraction form
    17,186.24/25,779.12 = 4,874.24/x
  3. Step 3: Cross multiply
    17,186.24x = 25,779.12 × 4,874.24
  4. Step 4: Simplify right side
    17,186.24x = 125,653,617.87
  5. Step 5: Solve for x
    x = 125,653,617.87/17,186.24
  6. Step 6: Final answer
    x = 7,311.29

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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.