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Finding the Fourth Proportional to 29,375.36, 40,538.03 and 16,800.11

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Solution

The fourth proportional to 29,375.36, 40,538.03 and 16,800.11 is: 23,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.36 : 40,538.03 = 16,800.11 : x
  2. Step 2: Convert to fraction form
    29,375.36/40,538.03 = 16,800.11/x
  3. Step 3: Cross multiply
    29,375.36x = 40,538.03 × 16,800.11
  4. Step 4: Simplify right side
    29,375.36x = 681,043,076.49
  5. Step 5: Solve for x
    x = 681,043,076.49/29,375.36
  6. Step 6: Final answer
    x = 23,184.16

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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.