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Finding the Fourth Proportional to 51,124.71, 70,550.72 and 28,463.71

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Solution

The fourth proportional to 51,124.71, 70,550.72 and 28,463.71 is: 39,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,124.71 : 70,550.72 = 28,463.71 : x
  2. Step 2: Convert to fraction form
    51,124.71/70,550.72 = 28,463.71/x
  3. Step 3: Cross multiply
    51,124.71x = 70,550.72 × 28,463.71
  4. Step 4: Simplify right side
    51,124.71x = 2,008,135,234.37
  5. Step 5: Solve for x
    x = 2,008,135,234.37/51,124.71
  6. Step 6: Final answer
    x = 39,279.15

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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.