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Finding the Fourth Proportional to 2,580.92, 3,562.23 and 1,696.80

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Solution

The fourth proportional to 2,580.92, 3,562.23 and 1,696.80 is: 2,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.92 : 3,562.23 = 1,696.80 : x
  2. Step 2: Convert to fraction form
    2,580.92/3,562.23 = 1,696.80/x
  3. Step 3: Cross multiply
    2,580.92x = 3,562.23 × 1,696.80
  4. Step 4: Simplify right side
    2,580.92x = 6,044,391.86
  5. Step 5: Solve for x
    x = 6,044,391.86/2,580.92
  6. Step 6: Final answer
    x = 2,341.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.