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Finding the Fourth Proportional to 1,675.80, 2,512.68 and 701.04

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Solution

The fourth proportional to 1,675.80, 2,512.68 and 701.04 is: 1,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.80 : 2,512.68 = 701.04 : x
  2. Step 2: Convert to fraction form
    1,675.80/2,512.68 = 701.04/x
  3. Step 3: Cross multiply
    1,675.80x = 2,512.68 × 701.04
  4. Step 4: Simplify right side
    1,675.80x = 1,761,489.19
  5. Step 5: Solve for x
    x = 1,761,489.19/1,675.80
  6. Step 6: Final answer
    x = 1,051.13

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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.