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Finding the Fourth Proportional to 33,857,756.29, 46,723,978.34 and 18,387,951.85

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Solution

The fourth proportional to 33,857,756.29, 46,723,978.34 and 18,387,951.85 is: 25,375,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,857,756.29 : 46,723,978.34 = 18,387,951.85 : x
  2. Step 2: Convert to fraction form
    33,857,756.29/46,723,978.34 = 18,387,951.85/x
  3. Step 3: Cross multiply
    33,857,756.29x = 46,723,978.34 × 18,387,951.85
  4. Step 4: Simplify right side
    33,857,756.29x = 859,158,263,956,363.12
  5. Step 5: Solve for x
    x = 859,158,263,956,363.12/33,857,756.29
  6. Step 6: Final answer
    x = 25,375,522.72

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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.