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Finding the Fourth Proportional to 1,086.74, 1,629.10 and 592.41

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Solution

The fourth proportional to 1,086.74, 1,629.10 and 592.41 is: 888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.74 : 1,629.10 = 592.41 : x
  2. Step 2: Convert to fraction form
    1,086.74/1,629.10 = 592.41/x
  3. Step 3: Cross multiply
    1,086.74x = 1,629.10 × 592.41
  4. Step 4: Simplify right side
    1,086.74x = 965,098.65
  5. Step 5: Solve for x
    x = 965,098.65/1,086.74
  6. Step 6: Final answer
    x = 888.07

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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.