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Finding the Fourth Proportional to 1,767.56, 2,651.46 and 534.88

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Solution

The fourth proportional to 1,767.56, 2,651.46 and 534.88 is: 802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.56 : 2,651.46 = 534.88 : x
  2. Step 2: Convert to fraction form
    1,767.56/2,651.46 = 534.88/x
  3. Step 3: Cross multiply
    1,767.56x = 2,651.46 × 534.88
  4. Step 4: Simplify right side
    1,767.56x = 1,418,212.92
  5. Step 5: Solve for x
    x = 1,418,212.92/1,767.56
  6. Step 6: Final answer
    x = 802.36

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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.