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Finding the Fourth Proportional to 33,415.90, 50,071.12 and 12,326.92

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Solution

The fourth proportional to 33,415.90, 50,071.12 and 12,326.92 is: 18,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.90 : 50,071.12 = 12,326.92 : x
  2. Step 2: Convert to fraction form
    33,415.90/50,071.12 = 12,326.92/x
  3. Step 3: Cross multiply
    33,415.90x = 50,071.12 × 12,326.92
  4. Step 4: Simplify right side
    33,415.90x = 617,222,628.92
  5. Step 5: Solve for x
    x = 617,222,628.92/33,415.90
  6. Step 6: Final answer
    x = 18,470.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.