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Finding the Fourth Proportional to 49,668.88, 68,543.91 and 27,008.02

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Solution

The fourth proportional to 49,668.88, 68,543.91 and 27,008.02 is: 37,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.88 : 68,543.91 = 27,008.02 : x
  2. Step 2: Convert to fraction form
    49,668.88/68,543.91 = 27,008.02/x
  3. Step 3: Cross multiply
    49,668.88x = 68,543.91 × 27,008.02
  4. Step 4: Simplify right side
    49,668.88x = 1,851,235,292.16
  5. Step 5: Solve for x
    x = 1,851,235,292.16/49,668.88
  6. Step 6: Final answer
    x = 37,271.53

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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.