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Finding the Fourth Proportional to 56,668.48, 78,201.12 and 32,791.84

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Solution

The fourth proportional to 56,668.48, 78,201.12 and 32,791.84 is: 45,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.48 : 78,201.12 = 32,791.84 : x
  2. Step 2: Convert to fraction form
    56,668.48/78,201.12 = 32,791.84/x
  3. Step 3: Cross multiply
    56,668.48x = 78,201.12 × 32,791.84
  4. Step 4: Simplify right side
    56,668.48x = 2,564,358,614.86
  5. Step 5: Solve for x
    x = 2,564,358,614.86/56,668.48
  6. Step 6: Final answer
    x = 45,251.94

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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.