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Finding the Fourth Proportional to 55,854.27, 77,080.77 and 32,879.95

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Solution

The fourth proportional to 55,854.27, 77,080.77 and 32,879.95 is: 45,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.27 : 77,080.77 = 32,879.95 : x
  2. Step 2: Convert to fraction form
    55,854.27/77,080.77 = 32,879.95/x
  3. Step 3: Cross multiply
    55,854.27x = 77,080.77 × 32,879.95
  4. Step 4: Simplify right side
    55,854.27x = 2,534,411,670.86
  5. Step 5: Solve for x
    x = 2,534,411,670.86/55,854.27
  6. Step 6: Final answer
    x = 45,375.43

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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.