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Finding the Fourth Proportional to 61,402.08, 84,735 and 36,253.20

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Solution

The fourth proportional to 61,402.08, 84,735 and 36,253.20 is: 50,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,402.08 : 84,735 = 36,253.20 : x
  2. Step 2: Convert to fraction form
    61,402.08/84,735 = 36,253.20/x
  3. Step 3: Cross multiply
    61,402.08x = 84,735 × 36,253.20
  4. Step 4: Simplify right side
    61,402.08x = 3,071,914,902.00
  5. Step 5: Solve for x
    x = 3,071,914,902.00/61,402.08
  6. Step 6: Final answer
    x = 50,029.49

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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.