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Finding the Fourth Proportional to 29,443.96, 40,634.44 and 16,697.68

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Solution

The fourth proportional to 29,443.96, 40,634.44 and 16,697.68 is: 23,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.96 : 40,634.44 = 16,697.68 : x
  2. Step 2: Convert to fraction form
    29,443.96/40,634.44 = 16,697.68/x
  3. Step 3: Cross multiply
    29,443.96x = 40,634.44 × 16,697.68
  4. Step 4: Simplify right side
    29,443.96x = 678,500,876.10
  5. Step 5: Solve for x
    x = 678,500,876.10/29,443.96
  6. Step 6: Final answer
    x = 23,043.81

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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.