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Finding the Fourth Proportional to 1,757.46, 2,636.84 and 832.32

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Solution

The fourth proportional to 1,757.46, 2,636.84 and 832.32 is: 1,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.46 : 2,636.84 = 832.32 : x
  2. Step 2: Convert to fraction form
    1,757.46/2,636.84 = 832.32/x
  3. Step 3: Cross multiply
    1,757.46x = 2,636.84 × 832.32
  4. Step 4: Simplify right side
    1,757.46x = 2,194,690.51
  5. Step 5: Solve for x
    x = 2,194,690.51/1,757.46
  6. Step 6: Final answer
    x = 1,248.79

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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.