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Finding the Fourth Proportional to 2,335.86, 3,504.87 and 1,411.92

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Solution

The fourth proportional to 2,335.86, 3,504.87 and 1,411.92 is: 2,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.86 : 3,504.87 = 1,411.92 : x
  2. Step 2: Convert to fraction form
    2,335.86/3,504.87 = 1,411.92/x
  3. Step 3: Cross multiply
    2,335.86x = 3,504.87 × 1,411.92
  4. Step 4: Simplify right side
    2,335.86x = 4,948,596.05
  5. Step 5: Solve for x
    x = 4,948,596.05/2,335.86
  6. Step 6: Final answer
    x = 2,118.53

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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.