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Finding the Fourth Proportional to 29,121.00, 40,182.06 and 16,372.50

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Solution

The fourth proportional to 29,121.00, 40,182.06 and 16,372.50 is: 22,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.00 : 40,182.06 = 16,372.50 : x
  2. Step 2: Convert to fraction form
    29,121.00/40,182.06 = 16,372.50/x
  3. Step 3: Cross multiply
    29,121.00x = 40,182.06 × 16,372.50
  4. Step 4: Simplify right side
    29,121.00x = 657,880,576.44
  5. Step 5: Solve for x
    x = 657,880,576.44/29,121.00
  6. Step 6: Final answer
    x = 22,591.28

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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.