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Finding the Fourth Proportional to 5,990.58, 8,985.86 and 2,702.79

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Solution

The fourth proportional to 5,990.58, 8,985.86 and 2,702.79 is: 4,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.58 : 8,985.86 = 2,702.79 : x
  2. Step 2: Convert to fraction form
    5,990.58/8,985.86 = 2,702.79/x
  3. Step 3: Cross multiply
    5,990.58x = 8,985.86 × 2,702.79
  4. Step 4: Simplify right side
    5,990.58x = 24,286,879.04
  5. Step 5: Solve for x
    x = 24,286,879.04/5,990.58
  6. Step 6: Final answer
    x = 4,054.18

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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.