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Finding the Fourth Proportional to 1,757.65, 2,636.70 and 1,133.44

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Solution

The fourth proportional to 1,757.65, 2,636.70 and 1,133.44 is: 1,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.65 : 2,636.70 = 1,133.44 : x
  2. Step 2: Convert to fraction form
    1,757.65/2,636.70 = 1,133.44/x
  3. Step 3: Cross multiply
    1,757.65x = 2,636.70 × 1,133.44
  4. Step 4: Simplify right side
    1,757.65x = 2,988,551.61
  5. Step 5: Solve for x
    x = 2,988,551.61/1,757.65
  6. Step 6: Final answer
    x = 1,700.31

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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.