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Finding the Fourth Proportional to 29,404.75, 40,578.56 and 16,156.75

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Solution

The fourth proportional to 29,404.75, 40,578.56 and 16,156.75 is: 22,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.75 : 40,578.56 = 16,156.75 : x
  2. Step 2: Convert to fraction form
    29,404.75/40,578.56 = 16,156.75/x
  3. Step 3: Cross multiply
    29,404.75x = 40,578.56 × 16,156.75
  4. Step 4: Simplify right side
    29,404.75x = 655,617,568.50
  5. Step 5: Solve for x
    x = 655,617,568.50/29,404.75
  6. Step 6: Final answer
    x = 22,296.32

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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.