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Finding the Fourth Proportional to 3,898.68, 5,848.50 and 1,589.88

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Solution

The fourth proportional to 3,898.68, 5,848.50 and 1,589.88 is: 2,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.68 : 5,848.50 = 1,589.88 : x
  2. Step 2: Convert to fraction form
    3,898.68/5,848.50 = 1,589.88/x
  3. Step 3: Cross multiply
    3,898.68x = 5,848.50 × 1,589.88
  4. Step 4: Simplify right side
    3,898.68x = 9,298,413.18
  5. Step 5: Solve for x
    x = 9,298,413.18/3,898.68
  6. Step 6: Final answer
    x = 2,385.02

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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.