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Finding the Fourth Proportional to 61,662.50, 85,094.86 and 33,368.80

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Solution

The fourth proportional to 61,662.50, 85,094.86 and 33,368.80 is: 46,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.50 : 85,094.86 = 33,368.80 : x
  2. Step 2: Convert to fraction form
    61,662.50/85,094.86 = 33,368.80/x
  3. Step 3: Cross multiply
    61,662.50x = 85,094.86 × 33,368.80
  4. Step 4: Simplify right side
    61,662.50x = 2,839,512,938.89
  5. Step 5: Solve for x
    x = 2,839,512,938.89/61,662.50
  6. Step 6: Final answer
    x = 46,049.27

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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.