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Finding the Fourth Proportional to 61,363.31, 84,661.02 and 50,013.32

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Solution

The fourth proportional to 61,363.31, 84,661.02 and 50,013.32 is: 69,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.31 : 84,661.02 = 50,013.32 : x
  2. Step 2: Convert to fraction form
    61,363.31/84,661.02 = 50,013.32/x
  3. Step 3: Cross multiply
    61,363.31x = 84,661.02 × 50,013.32
  4. Step 4: Simplify right side
    61,363.31x = 4,234,178,261.48
  5. Step 5: Solve for x
    x = 4,234,178,261.48/61,363.31
  6. Step 6: Final answer
    x = 69,001.80

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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.