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Finding the Fourth Proportional to 1,708.88, 2,564.12 and 1,016.92

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Solution

The fourth proportional to 1,708.88, 2,564.12 and 1,016.92 is: 1,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.88 : 2,564.12 = 1,016.92 : x
  2. Step 2: Convert to fraction form
    1,708.88/2,564.12 = 1,016.92/x
  3. Step 3: Cross multiply
    1,708.88x = 2,564.12 × 1,016.92
  4. Step 4: Simplify right side
    1,708.88x = 2,607,504.91
  5. Step 5: Solve for x
    x = 2,607,504.91/1,708.88
  6. Step 6: Final answer
    x = 1,525.86

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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.