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Finding the Fourth Proportional to 49,885.68, 68,851.02 and 29,743.80

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Solution

The fourth proportional to 49,885.68, 68,851.02 and 29,743.80 is: 41,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.68 : 68,851.02 = 29,743.80 : x
  2. Step 2: Convert to fraction form
    49,885.68/68,851.02 = 29,743.80/x
  3. Step 3: Cross multiply
    49,885.68x = 68,851.02 × 29,743.80
  4. Step 4: Simplify right side
    49,885.68x = 2,047,890,968.68
  5. Step 5: Solve for x
    x = 2,047,890,968.68/49,885.68
  6. Step 6: Final answer
    x = 41,051.68

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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.