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Finding the Fourth Proportional to 2,565.76, 3,846.08 and 1,104

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Solution

The fourth proportional to 2,565.76, 3,846.08 and 1,104 is: 1,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.76 : 3,846.08 = 1,104 : x
  2. Step 2: Convert to fraction form
    2,565.76/3,846.08 = 1,104/x
  3. Step 3: Cross multiply
    2,565.76x = 3,846.08 × 1,104
  4. Step 4: Simplify right side
    2,565.76x = 4,246,072.32
  5. Step 5: Solve for x
    x = 4,246,072.32/2,565.76
  6. Step 6: Final answer
    x = 1,654.90

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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.