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Finding the Fourth Proportional to 51,437.63, 70,945.77 and 36,314.53

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Solution

The fourth proportional to 51,437.63, 70,945.77 and 36,314.53 is: 50,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.63 : 70,945.77 = 36,314.53 : x
  2. Step 2: Convert to fraction form
    51,437.63/70,945.77 = 36,314.53/x
  3. Step 3: Cross multiply
    51,437.63x = 70,945.77 × 36,314.53
  4. Step 4: Simplify right side
    51,437.63x = 2,576,362,251.85
  5. Step 5: Solve for x
    x = 2,576,362,251.85/51,437.63
  6. Step 6: Final answer
    x = 50,087.11

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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.