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Finding the Fourth Proportional to 1,716.56, 2,575.16 and 563.12

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Solution

The fourth proportional to 1,716.56, 2,575.16 and 563.12 is: 844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.56 : 2,575.16 = 563.12 : x
  2. Step 2: Convert to fraction form
    1,716.56/2,575.16 = 563.12/x
  3. Step 3: Cross multiply
    1,716.56x = 2,575.16 × 563.12
  4. Step 4: Simplify right side
    1,716.56x = 1,450,124.10
  5. Step 5: Solve for x
    x = 1,450,124.10/1,716.56
  6. Step 6: Final answer
    x = 844.78

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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.