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Finding the Fourth Proportional to 52,668.86, 78,987.22 and 27,695.36

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Solution

The fourth proportional to 52,668.86, 78,987.22 and 27,695.36 is: 41,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.86 : 78,987.22 = 27,695.36 : x
  2. Step 2: Convert to fraction form
    52,668.86/78,987.22 = 27,695.36/x
  3. Step 3: Cross multiply
    52,668.86x = 78,987.22 × 27,695.36
  4. Step 4: Simplify right side
    52,668.86x = 2,187,579,029.12
  5. Step 5: Solve for x
    x = 2,187,579,029.12/52,668.86
  6. Step 6: Final answer
    x = 41,534.58

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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.