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Finding the Fourth Proportional to 4,755.90, 7,134.92 and 1,834.36

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Solution

The fourth proportional to 4,755.90, 7,134.92 and 1,834.36 is: 2,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.90 : 7,134.92 = 1,834.36 : x
  2. Step 2: Convert to fraction form
    4,755.90/7,134.92 = 1,834.36/x
  3. Step 3: Cross multiply
    4,755.90x = 7,134.92 × 1,834.36
  4. Step 4: Simplify right side
    4,755.90x = 13,088,011.85
  5. Step 5: Solve for x
    x = 13,088,011.85/4,755.90
  6. Step 6: Final answer
    x = 2,751.95

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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.