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Finding the Fourth Proportional to 17,465.72, 26,157.87 and 12,773.99

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Solution

The fourth proportional to 17,465.72, 26,157.87 and 12,773.99 is: 19,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,465.72 : 26,157.87 = 12,773.99 : x
  2. Step 2: Convert to fraction form
    17,465.72/26,157.87 = 12,773.99/x
  3. Step 3: Cross multiply
    17,465.72x = 26,157.87 × 12,773.99
  4. Step 4: Simplify right side
    17,465.72x = 334,140,435.20
  5. Step 5: Solve for x
    x = 334,140,435.20/17,465.72
  6. Step 6: Final answer
    x = 19,131.22

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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.