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Finding the Fourth Proportional to 43,904,337.57, 65,830,978.94 and 16,612,738.61

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Solution

The fourth proportional to 43,904,337.57, 65,830,978.94 and 16,612,738.61 is: 24,909,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,904,337.57 : 65,830,978.94 = 16,612,738.61 : x
  2. Step 2: Convert to fraction form
    43,904,337.57/65,830,978.94 = 16,612,738.61/x
  3. Step 3: Cross multiply
    43,904,337.57x = 65,830,978.94 × 16,612,738.61
  4. Step 4: Simplify right side
    43,904,337.57x = 1,093,632,845,158,416.38
  5. Step 5: Solve for x
    x = 1,093,632,845,158,416.38/43,904,337.57
  6. Step 6: Final answer
    x = 24,909,448.72

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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.