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Finding the Fourth Proportional to 12,903,395.00, 17,797,619.32 and 8,491,715.04

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Solution

The fourth proportional to 12,903,395.00, 17,797,619.32 and 8,491,715.04 is: 11,712,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,395.00 : 17,797,619.32 = 8,491,715.04 : x
  2. Step 2: Convert to fraction form
    12,903,395.00/17,797,619.32 = 8,491,715.04/x
  3. Step 3: Cross multiply
    12,903,395.00x = 17,797,619.32 × 8,491,715.04
  4. Step 4: Simplify right side
    12,903,395.00x = 151,132,311,701,350.34
  5. Step 5: Solve for x
    x = 151,132,311,701,350.34/12,903,395.00
  6. Step 6: Final answer
    x = 11,712,600.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.