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Finding the Fourth Proportional to 8,835.76, 13,253.19 and 2,992.30

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Solution

The fourth proportional to 8,835.76, 13,253.19 and 2,992.30 is: 4,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.76 : 13,253.19 = 2,992.30 : x
  2. Step 2: Convert to fraction form
    8,835.76/13,253.19 = 2,992.30/x
  3. Step 3: Cross multiply
    8,835.76x = 13,253.19 × 2,992.30
  4. Step 4: Simplify right side
    8,835.76x = 39,657,520.44
  5. Step 5: Solve for x
    x = 39,657,520.44/8,835.76
  6. Step 6: Final answer
    x = 4,488.30

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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.