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Finding the Fourth Proportional to 1,696.92, 2,545 and 586.24

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Solution

The fourth proportional to 1,696.92, 2,545 and 586.24 is: 879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.92 : 2,545 = 586.24 : x
  2. Step 2: Convert to fraction form
    1,696.92/2,545 = 586.24/x
  3. Step 3: Cross multiply
    1,696.92x = 2,545 × 586.24
  4. Step 4: Simplify right side
    1,696.92x = 1,491,980.80
  5. Step 5: Solve for x
    x = 1,491,980.80/1,696.92
  6. Step 6: Final answer
    x = 879.23

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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.