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Finding the Fourth Proportional to 8,525.72, 12,789.48 and 2,602.58

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Solution

The fourth proportional to 8,525.72, 12,789.48 and 2,602.58 is: 3,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.72 : 12,789.48 = 2,602.58 : x
  2. Step 2: Convert to fraction form
    8,525.72/12,789.48 = 2,602.58/x
  3. Step 3: Cross multiply
    8,525.72x = 12,789.48 × 2,602.58
  4. Step 4: Simplify right side
    8,525.72x = 33,285,644.86
  5. Step 5: Solve for x
    x = 33,285,644.86/8,525.72
  6. Step 6: Final answer
    x = 3,904.14

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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.