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Finding the Fourth Proportional to 47,172.70, 65,096.76 and 25,951.78

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Solution

The fourth proportional to 47,172.70, 65,096.76 and 25,951.78 is: 35,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.70 : 65,096.76 = 25,951.78 : x
  2. Step 2: Convert to fraction form
    47,172.70/65,096.76 = 25,951.78/x
  3. Step 3: Cross multiply
    47,172.70x = 65,096.76 × 25,951.78
  4. Step 4: Simplify right side
    47,172.70x = 1,689,376,794.23
  5. Step 5: Solve for x
    x = 1,689,376,794.23/47,172.70
  6. Step 6: Final answer
    x = 35,812.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.