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Finding the Fourth Proportional to 3,235.86, 4,845.30 and 2,607.84

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Solution

The fourth proportional to 3,235.86, 4,845.30 and 2,607.84 is: 3,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.86 : 4,845.30 = 2,607.84 : x
  2. Step 2: Convert to fraction form
    3,235.86/4,845.30 = 2,607.84/x
  3. Step 3: Cross multiply
    3,235.86x = 4,845.30 × 2,607.84
  4. Step 4: Simplify right side
    3,235.86x = 12,635,767.15
  5. Step 5: Solve for x
    x = 12,635,767.15/3,235.86
  6. Step 6: Final answer
    x = 3,904.92

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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.