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Finding the Fourth Proportional to 29,372.50, 40,534.05 and 16,797.25

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Solution

The fourth proportional to 29,372.50, 40,534.05 and 16,797.25 is: 23,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372.50 : 40,534.05 = 16,797.25 : x
  2. Step 2: Convert to fraction form
    29,372.50/40,534.05 = 16,797.25/x
  3. Step 3: Cross multiply
    29,372.50x = 40,534.05 × 16,797.25
  4. Step 4: Simplify right side
    29,372.50x = 680,860,571.36
  5. Step 5: Solve for x
    x = 680,860,571.36/29,372.50
  6. Step 6: Final answer
    x = 23,180.21

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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.