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Finding the Fourth Proportional to 8,525.43, 12,788.28 and 2,602.44

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Solution

The fourth proportional to 8,525.43, 12,788.28 and 2,602.44 is: 3,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.43 : 12,788.28 = 2,602.44 : x
  2. Step 2: Convert to fraction form
    8,525.43/12,788.28 = 2,602.44/x
  3. Step 3: Cross multiply
    8,525.43x = 12,788.28 × 2,602.44
  4. Step 4: Simplify right side
    8,525.43x = 33,280,731.40
  5. Step 5: Solve for x
    x = 33,280,731.40/8,525.43
  6. Step 6: Final answer
    x = 3,903.70

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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.