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Finding the Fourth Proportional to 55,543.32, 76,651.71 and 30,392.82

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Solution

The fourth proportional to 55,543.32, 76,651.71 and 30,392.82 is: 41,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.32 : 76,651.71 = 30,392.82 : x
  2. Step 2: Convert to fraction form
    55,543.32/76,651.71 = 30,392.82/x
  3. Step 3: Cross multiply
    55,543.32x = 76,651.71 × 30,392.82
  4. Step 4: Simplify right side
    55,543.32x = 2,329,661,624.72
  5. Step 5: Solve for x
    x = 2,329,661,624.72/55,543.32
  6. Step 6: Final answer
    x = 41,943.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.