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Finding the Fourth Proportional to 61,674.48, 92,414.82 and 47,668.79

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Solution

The fourth proportional to 61,674.48, 92,414.82 and 47,668.79 is: 71,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,674.48 : 92,414.82 = 47,668.79 : x
  2. Step 2: Convert to fraction form
    61,674.48/92,414.82 = 47,668.79/x
  3. Step 3: Cross multiply
    61,674.48x = 92,414.82 × 47,668.79
  4. Step 4: Simplify right side
    61,674.48x = 4,405,302,878.50
  5. Step 5: Solve for x
    x = 4,405,302,878.50/61,674.48
  6. Step 6: Final answer
    x = 71,428.29

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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.