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Finding the Fourth Proportional to 3,896.96, 5,848.24 and 2,925.68

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Solution

The fourth proportional to 3,896.96, 5,848.24 and 2,925.68 is: 4,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.96 : 5,848.24 = 2,925.68 : x
  2. Step 2: Convert to fraction form
    3,896.96/5,848.24 = 2,925.68/x
  3. Step 3: Cross multiply
    3,896.96x = 5,848.24 × 2,925.68
  4. Step 4: Simplify right side
    3,896.96x = 17,110,078.80
  5. Step 5: Solve for x
    x = 17,110,078.80/3,896.96
  6. Step 6: Final answer
    x = 4,390.62

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1.5x scale

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.