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Finding the Fourth Proportional to 33,251.60, 49,884.60 and 9,880.40

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Solution

The fourth proportional to 33,251.60, 49,884.60 and 9,880.40 is: 14,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.60 : 49,884.60 = 9,880.40 : x
  2. Step 2: Convert to fraction form
    33,251.60/49,884.60 = 9,880.40/x
  3. Step 3: Cross multiply
    33,251.60x = 49,884.60 × 9,880.40
  4. Step 4: Simplify right side
    33,251.60x = 492,879,801.84
  5. Step 5: Solve for x
    x = 492,879,801.84/33,251.60
  6. Step 6: Final answer
    x = 14,822.74

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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.