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Finding the Fourth Proportional to 1,716.59, 2,574.28 and 1,058.82

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Solution

The fourth proportional to 1,716.59, 2,574.28 and 1,058.82 is: 1,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.59 : 2,574.28 = 1,058.82 : x
  2. Step 2: Convert to fraction form
    1,716.59/2,574.28 = 1,058.82/x
  3. Step 3: Cross multiply
    1,716.59x = 2,574.28 × 1,058.82
  4. Step 4: Simplify right side
    1,716.59x = 2,725,705.30
  5. Step 5: Solve for x
    x = 2,725,705.30/1,716.59
  6. Step 6: Final answer
    x = 1,587.86

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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.