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Finding the Fourth Proportional to 62,939.94, 86,846.95 and 36,077.50

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Solution

The fourth proportional to 62,939.94, 86,846.95 and 36,077.50 is: 49,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.94 : 86,846.95 = 36,077.50 : x
  2. Step 2: Convert to fraction form
    62,939.94/86,846.95 = 36,077.50/x
  3. Step 3: Cross multiply
    62,939.94x = 86,846.95 × 36,077.50
  4. Step 4: Simplify right side
    62,939.94x = 3,133,220,838.63
  5. Step 5: Solve for x
    x = 3,133,220,838.63/62,939.94
  6. Step 6: Final answer
    x = 49,781.12

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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.