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Finding the Fourth Proportional to 9,958.70, 14,932.90 and 2,937.82

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Solution

The fourth proportional to 9,958.70, 14,932.90 and 2,937.82 is: 4,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.70 : 14,932.90 = 2,937.82 : x
  2. Step 2: Convert to fraction form
    9,958.70/14,932.90 = 2,937.82/x
  3. Step 3: Cross multiply
    9,958.70x = 14,932.90 × 2,937.82
  4. Step 4: Simplify right side
    9,958.70x = 43,870,172.28
  5. Step 5: Solve for x
    x = 43,870,172.28/9,958.70
  6. Step 6: Final answer
    x = 4,405.21

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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.