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Finding the Fourth Proportional to 69,502.50, 95,913.45 and 37,671.30

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Solution

The fourth proportional to 69,502.50, 95,913.45 and 37,671.30 is: 51,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.50 : 95,913.45 = 37,671.30 : x
  2. Step 2: Convert to fraction form
    69,502.50/95,913.45 = 37,671.30/x
  3. Step 3: Cross multiply
    69,502.50x = 95,913.45 × 37,671.30
  4. Step 4: Simplify right side
    69,502.50x = 3,613,184,348.99
  5. Step 5: Solve for x
    x = 3,613,184,348.99/69,502.50
  6. Step 6: Final answer
    x = 51,986.39

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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.