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Finding the Fourth Proportional to 33,546.40, 50,276.40 and 15,978.40

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Solution

The fourth proportional to 33,546.40, 50,276.40 and 15,978.40 is: 23,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,546.40 : 50,276.40 = 15,978.40 : x
  2. Step 2: Convert to fraction form
    33,546.40/50,276.40 = 15,978.40/x
  3. Step 3: Cross multiply
    33,546.40x = 50,276.40 × 15,978.40
  4. Step 4: Simplify right side
    33,546.40x = 803,336,429.76
  5. Step 5: Solve for x
    x = 803,336,429.76/33,546.40
  6. Step 6: Final answer
    x = 23,947.02

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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.