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Finding the Fourth Proportional to 13,241.26, 19,879.26 and 8,878.24

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Solution

The fourth proportional to 13,241.26, 19,879.26 and 8,878.24 is: 13,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.26 : 19,879.26 = 8,878.24 : x
  2. Step 2: Convert to fraction form
    13,241.26/19,879.26 = 8,878.24/x
  3. Step 3: Cross multiply
    13,241.26x = 19,879.26 × 8,878.24
  4. Step 4: Simplify right side
    13,241.26x = 176,492,841.30
  5. Step 5: Solve for x
    x = 176,492,841.30/13,241.26
  6. Step 6: Final answer
    x = 13,329.01

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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.