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Finding the Fourth Proportional to 30,343.52, 41,874.04 and 16,914.44

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Solution

The fourth proportional to 30,343.52, 41,874.04 and 16,914.44 is: 23,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.52 : 41,874.04 = 16,914.44 : x
  2. Step 2: Convert to fraction form
    30,343.52/41,874.04 = 16,914.44/x
  3. Step 3: Cross multiply
    30,343.52x = 41,874.04 × 16,914.44
  4. Step 4: Simplify right side
    30,343.52x = 708,275,937.14
  5. Step 5: Solve for x
    x = 708,275,937.14/30,343.52
  6. Step 6: Final answer
    x = 23,341.92

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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.