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Finding the Fourth Proportional to 8,556.95, 12,834.01 and 3,008.99

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Solution

The fourth proportional to 8,556.95, 12,834.01 and 3,008.99 is: 4,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.95 : 12,834.01 = 3,008.99 : x
  2. Step 2: Convert to fraction form
    8,556.95/12,834.01 = 3,008.99/x
  3. Step 3: Cross multiply
    8,556.95x = 12,834.01 × 3,008.99
  4. Step 4: Simplify right side
    8,556.95x = 38,617,407.75
  5. Step 5: Solve for x
    x = 38,617,407.75/8,556.95
  6. Step 6: Final answer
    x = 4,512.99

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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.