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Finding the Fourth Proportional to 50,974.67, 70,316.70 and 47,366.43

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Solution

The fourth proportional to 50,974.67, 70,316.70 and 47,366.43 is: 65,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,974.67 : 70,316.70 = 47,366.43 : x
  2. Step 2: Convert to fraction form
    50,974.67/70,316.70 = 47,366.43/x
  3. Step 3: Cross multiply
    50,974.67x = 70,316.70 × 47,366.43
  4. Step 4: Simplify right side
    50,974.67x = 3,330,651,048.38
  5. Step 5: Solve for x
    x = 3,330,651,048.38/50,974.67
  6. Step 6: Final answer
    x = 65,339.34

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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.