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Finding the Fourth Proportional to 19,941.70, 29,907.15 and 5,901.70

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Solution

The fourth proportional to 19,941.70, 29,907.15 and 5,901.70 is: 8,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.70 : 29,907.15 = 5,901.70 : x
  2. Step 2: Convert to fraction form
    19,941.70/29,907.15 = 5,901.70/x
  3. Step 3: Cross multiply
    19,941.70x = 29,907.15 × 5,901.70
  4. Step 4: Simplify right side
    19,941.70x = 176,503,027.16
  5. Step 5: Solve for x
    x = 176,503,027.16/19,941.70
  6. Step 6: Final answer
    x = 8,850.95

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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.