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Finding the Fourth Proportional to 30,341.91, 41,873.25 and 16,913.26

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Solution

The fourth proportional to 30,341.91, 41,873.25 and 16,913.26 is: 23,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.91 : 41,873.25 = 16,913.26 : x
  2. Step 2: Convert to fraction form
    30,341.91/41,873.25 = 16,913.26/x
  3. Step 3: Cross multiply
    30,341.91x = 41,873.25 × 16,913.26
  4. Step 4: Simplify right side
    30,341.91x = 708,213,164.30
  5. Step 5: Solve for x
    x = 708,213,164.30/30,341.91
  6. Step 6: Final answer
    x = 23,341.09

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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.