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Finding the Fourth Proportional to 38,670, 53,273.52 and 36,344.94

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Solution

The fourth proportional to 38,670, 53,273.52 and 36,344.94 is: 50,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670 : 53,273.52 = 36,344.94 : x
  2. Step 2: Convert to fraction form
    38,670/53,273.52 = 36,344.94/x
  3. Step 3: Cross multiply
    38,670x = 53,273.52 × 36,344.94
  4. Step 4: Simplify right side
    38,670x = 1,936,222,887.99
  5. Step 5: Solve for x
    x = 1,936,222,887.99/38,670
  6. Step 6: Final answer
    x = 50,070.41

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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.