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Finding the Fourth Proportional to 2,590.92, 3,575.49 and 1,411.98

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Solution

The fourth proportional to 2,590.92, 3,575.49 and 1,411.98 is: 1,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.92 : 3,575.49 = 1,411.98 : x
  2. Step 2: Convert to fraction form
    2,590.92/3,575.49 = 1,411.98/x
  3. Step 3: Cross multiply
    2,590.92x = 3,575.49 × 1,411.98
  4. Step 4: Simplify right side
    2,590.92x = 5,048,520.37
  5. Step 5: Solve for x
    x = 5,048,520.37/2,590.92
  6. Step 6: Final answer
    x = 1,948.54

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