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Finding the Fourth Proportional to 8,522.00, 12,779.13 and 3,588.95

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Solution

The fourth proportional to 8,522.00, 12,779.13 and 3,588.95 is: 5,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.00 : 12,779.13 = 3,588.95 : x
  2. Step 2: Convert to fraction form
    8,522.00/12,779.13 = 3,588.95/x
  3. Step 3: Cross multiply
    8,522.00x = 12,779.13 × 3,588.95
  4. Step 4: Simplify right side
    8,522.00x = 45,863,690.56
  5. Step 5: Solve for x
    x = 45,863,690.56/8,522.00
  6. Step 6: Final answer
    x = 5,381.80

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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.