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Finding the Fourth Proportional to 8,785.98, 13,174.11 and 2,941.02

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Solution

The fourth proportional to 8,785.98, 13,174.11 and 2,941.02 is: 4,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.98 : 13,174.11 = 2,941.02 : x
  2. Step 2: Convert to fraction form
    8,785.98/13,174.11 = 2,941.02/x
  3. Step 3: Cross multiply
    8,785.98x = 13,174.11 × 2,941.02
  4. Step 4: Simplify right side
    8,785.98x = 38,745,320.99
  5. Step 5: Solve for x
    x = 38,745,320.99/8,785.98
  6. Step 6: Final answer
    x = 4,409.90

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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.