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Finding the Fourth Proportional to 17,419.21, 26,131.95 and 6,341.44

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Solution

The fourth proportional to 17,419.21, 26,131.95 and 6,341.44 is: 9,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.21 : 26,131.95 = 6,341.44 : x
  2. Step 2: Convert to fraction form
    17,419.21/26,131.95 = 6,341.44/x
  3. Step 3: Cross multiply
    17,419.21x = 26,131.95 × 6,341.44
  4. Step 4: Simplify right side
    17,419.21x = 165,714,193.01
  5. Step 5: Solve for x
    x = 165,714,193.01/17,419.21
  6. Step 6: Final answer
    x = 9,513.30

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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.