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Finding the Fourth Proportional to 50,972.67, 70,313.95 and 47,364.42

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Solution

The fourth proportional to 50,972.67, 70,313.95 and 47,364.42 is: 65,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.67 : 70,313.95 = 47,364.42 : x
  2. Step 2: Convert to fraction form
    50,972.67/70,313.95 = 47,364.42/x
  3. Step 3: Cross multiply
    50,972.67x = 70,313.95 × 47,364.42
  4. Step 4: Simplify right side
    50,972.67x = 3,330,379,459.66
  5. Step 5: Solve for x
    x = 3,330,379,459.66/50,972.67
  6. Step 6: Final answer
    x = 65,336.57

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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.