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Finding the Fourth Proportional to 16,488.60, 24,734.04 and 6,627.90

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Solution

The fourth proportional to 16,488.60, 24,734.04 and 6,627.90 is: 9,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.60 : 24,734.04 = 6,627.90 : x
  2. Step 2: Convert to fraction form
    16,488.60/24,734.04 = 6,627.90/x
  3. Step 3: Cross multiply
    16,488.60x = 24,734.04 × 6,627.90
  4. Step 4: Simplify right side
    16,488.60x = 163,934,743.72
  5. Step 5: Solve for x
    x = 163,934,743.72/16,488.60
  6. Step 6: Final answer
    x = 9,942.31

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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.