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Finding the Fourth Proportional to 49,668.94, 68,543.14 and 27,312.94

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Solution

The fourth proportional to 49,668.94, 68,543.14 and 27,312.94 is: 37,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.94 : 68,543.14 = 27,312.94 : x
  2. Step 2: Convert to fraction form
    49,668.94/68,543.14 = 27,312.94/x
  3. Step 3: Cross multiply
    49,668.94x = 68,543.14 × 27,312.94
  4. Step 4: Simplify right side
    49,668.94x = 1,872,114,430.59
  5. Step 5: Solve for x
    x = 1,872,114,430.59/49,668.94
  6. Step 6: Final answer
    x = 37,691.86

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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.