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Finding the Fourth Proportional to 30,366, 41,903.87 and 16,937.15

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Solution

The fourth proportional to 30,366, 41,903.87 and 16,937.15 is: 23,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366 : 41,903.87 = 16,937.15 : x
  2. Step 2: Convert to fraction form
    30,366/41,903.87 = 16,937.15/x
  3. Step 3: Cross multiply
    30,366x = 41,903.87 × 16,937.15
  4. Step 4: Simplify right side
    30,366x = 709,731,837.57
  5. Step 5: Solve for x
    x = 709,731,837.57/30,366
  6. Step 6: Final answer
    x = 23,372.58

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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.