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Finding the Fourth Proportional to 30,873,685.86, 46,317,582.87 and 10,678,910.82

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Solution

The fourth proportional to 30,873,685.86, 46,317,582.87 and 10,678,910.82 is: 16,020,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,685.86 : 46,317,582.87 = 10,678,910.82 : x
  2. Step 2: Convert to fraction form
    30,873,685.86/46,317,582.87 = 10,678,910.82/x
  3. Step 3: Cross multiply
    30,873,685.86x = 46,317,582.87 × 10,678,910.82
  4. Step 4: Simplify right side
    30,873,685.86x = 494,621,336,866,689.62
  5. Step 5: Solve for x
    x = 494,621,336,866,689.62/30,873,685.86
  6. Step 6: Final answer
    x = 16,020,806.17

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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.