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Finding the Fourth Proportional to 61,989.10, 92,968.93 and 22,004.80

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Solution

The fourth proportional to 61,989.10, 92,968.93 and 22,004.80 is: 33,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.10 : 92,968.93 = 22,004.80 : x
  2. Step 2: Convert to fraction form
    61,989.10/92,968.93 = 22,004.80/x
  3. Step 3: Cross multiply
    61,989.10x = 92,968.93 × 22,004.80
  4. Step 4: Simplify right side
    61,989.10x = 2,045,762,505.95
  5. Step 5: Solve for x
    x = 2,045,762,505.95/61,989.10
  6. Step 6: Final answer
    x = 33,001.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.