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Finding the Fourth Proportional to 49,814.70, 68,709.12 and 29,655.96

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Solution

The fourth proportional to 49,814.70, 68,709.12 and 29,655.96 is: 40,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,814.70 : 68,709.12 = 29,655.96 : x
  2. Step 2: Convert to fraction form
    49,814.70/68,709.12 = 29,655.96/x
  3. Step 3: Cross multiply
    49,814.70x = 68,709.12 × 29,655.96
  4. Step 4: Simplify right side
    49,814.70x = 2,037,634,914.36
  5. Step 5: Solve for x
    x = 2,037,634,914.36/49,814.70
  6. Step 6: Final answer
    x = 40,904.29

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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.