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Finding the Fourth Proportional to 29,167.50, 40,249.50 and 17,228.10

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Solution

The fourth proportional to 29,167.50, 40,249.50 and 17,228.10 is: 23,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,167.50 : 40,249.50 = 17,228.10 : x
  2. Step 2: Convert to fraction form
    29,167.50/40,249.50 = 17,228.10/x
  3. Step 3: Cross multiply
    29,167.50x = 40,249.50 × 17,228.10
  4. Step 4: Simplify right side
    29,167.50x = 693,422,410.95
  5. Step 5: Solve for x
    x = 693,422,410.95/29,167.50
  6. Step 6: Final answer
    x = 23,773.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.