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Finding the Fourth Proportional to 5,990.60, 8,985.96 and 2,095

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Solution

The fourth proportional to 5,990.60, 8,985.96 and 2,095 is: 3,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.60 : 8,985.96 = 2,095 : x
  2. Step 2: Convert to fraction form
    5,990.60/8,985.96 = 2,095/x
  3. Step 3: Cross multiply
    5,990.60x = 8,985.96 × 2,095
  4. Step 4: Simplify right side
    5,990.60x = 18,825,586.20
  5. Step 5: Solve for x
    x = 18,825,586.20/5,990.60
  6. Step 6: Final answer
    x = 3,142.52

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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.