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Finding the Fourth Proportional to 27,951.40, 41,975.70 and 14,829.40

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Solution

The fourth proportional to 27,951.40, 41,975.70 and 14,829.40 is: 22,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.40 : 41,975.70 = 14,829.40 : x
  2. Step 2: Convert to fraction form
    27,951.40/41,975.70 = 14,829.40/x
  3. Step 3: Cross multiply
    27,951.40x = 41,975.70 × 14,829.40
  4. Step 4: Simplify right side
    27,951.40x = 622,474,445.58
  5. Step 5: Solve for x
    x = 622,474,445.58/27,951.40
  6. Step 6: Final answer
    x = 22,269.88

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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.