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Finding the Fourth Proportional to 1,701.64, 2,550.63 and 834.13

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Solution

The fourth proportional to 1,701.64, 2,550.63 and 834.13 is: 1,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.64 : 2,550.63 = 834.13 : x
  2. Step 2: Convert to fraction form
    1,701.64/2,550.63 = 834.13/x
  3. Step 3: Cross multiply
    1,701.64x = 2,550.63 × 834.13
  4. Step 4: Simplify right side
    1,701.64x = 2,127,557.00
  5. Step 5: Solve for x
    x = 2,127,557.00/1,701.64
  6. Step 6: Final answer
    x = 1,250.30

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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.