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Finding the Fourth Proportional to 3,282.12, 4,529.12 and 1,790.00

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Solution

The fourth proportional to 3,282.12, 4,529.12 and 1,790.00 is: 2,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.12 : 4,529.12 = 1,790.00 : x
  2. Step 2: Convert to fraction form
    3,282.12/4,529.12 = 1,790.00/x
  3. Step 3: Cross multiply
    3,282.12x = 4,529.12 × 1,790.00
  4. Step 4: Simplify right side
    3,282.12x = 8,107,110.19
  5. Step 5: Solve for x
    x = 8,107,110.19/3,282.12
  6. Step 6: Final answer
    x = 2,470.08

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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.