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Finding the Fourth Proportional to 24,489.30, 36,701.55 and 21,702.90

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Solution

The fourth proportional to 24,489.30, 36,701.55 and 21,702.90 is: 32,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.30 : 36,701.55 = 21,702.90 : x
  2. Step 2: Convert to fraction form
    24,489.30/36,701.55 = 21,702.90/x
  3. Step 3: Cross multiply
    24,489.30x = 36,701.55 × 21,702.90
  4. Step 4: Simplify right side
    24,489.30x = 796,530,069.50
  5. Step 5: Solve for x
    x = 796,530,069.50/24,489.30
  6. Step 6: Final answer
    x = 32,525.64

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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.