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Finding the Fourth Proportional to 30,364.52, 45,550.62 and 11,894.12

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Solution

The fourth proportional to 30,364.52, 45,550.62 and 11,894.12 is: 17,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.52 : 45,550.62 = 11,894.12 : x
  2. Step 2: Convert to fraction form
    30,364.52/45,550.62 = 11,894.12/x
  3. Step 3: Cross multiply
    30,364.52x = 45,550.62 × 11,894.12
  4. Step 4: Simplify right side
    30,364.52x = 541,784,540.35
  5. Step 5: Solve for x
    x = 541,784,540.35/30,364.52
  6. Step 6: Final answer
    x = 17,842.68

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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.