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Finding the Fourth Proportional to 61,593.60, 84,999.27 and 33,299.31

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Solution

The fourth proportional to 61,593.60, 84,999.27 and 33,299.31 is: 45,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,593.60 : 84,999.27 = 33,299.31 : x
  2. Step 2: Convert to fraction form
    61,593.60/84,999.27 = 33,299.31/x
  3. Step 3: Cross multiply
    61,593.60x = 84,999.27 × 33,299.31
  4. Step 4: Simplify right side
    61,593.60x = 2,830,417,041.50
  5. Step 5: Solve for x
    x = 2,830,417,041.50/61,593.60
  6. Step 6: Final answer
    x = 45,953.10

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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.