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Finding the Fourth Proportional to 33,113.60, 49,659.60 and 12,334.40

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Solution

The fourth proportional to 33,113.60, 49,659.60 and 12,334.40 is: 18,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.60 : 49,659.60 = 12,334.40 : x
  2. Step 2: Convert to fraction form
    33,113.60/49,659.60 = 12,334.40/x
  3. Step 3: Cross multiply
    33,113.60x = 49,659.60 × 12,334.40
  4. Step 4: Simplify right side
    33,113.60x = 612,521,370.24
  5. Step 5: Solve for x
    x = 612,521,370.24/33,113.60
  6. Step 6: Final answer
    x = 18,497.58

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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.