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Finding the Fourth Proportional to 61,887.84, 85,405.66 and 33,593.52

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Solution

The fourth proportional to 61,887.84, 85,405.66 and 33,593.52 is: 46,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.84 : 85,405.66 = 33,593.52 : x
  2. Step 2: Convert to fraction form
    61,887.84/85,405.66 = 33,593.52/x
  3. Step 3: Cross multiply
    61,887.84x = 85,405.66 × 33,593.52
  4. Step 4: Simplify right side
    61,887.84x = 2,869,076,747.32
  5. Step 5: Solve for x
    x = 2,869,076,747.32/61,887.84
  6. Step 6: Final answer
    x = 46,359.30

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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.