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Finding the Fourth Proportional to 32,964,009.60, 49,467,009.60 and 19,317,129.60

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Solution

The fourth proportional to 32,964,009.60, 49,467,009.60 and 19,317,129.60 is: 28,987,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,964,009.60 : 49,467,009.60 = 19,317,129.60 : x
  2. Step 2: Convert to fraction form
    32,964,009.60/49,467,009.60 = 19,317,129.60/x
  3. Step 3: Cross multiply
    32,964,009.60x = 49,467,009.60 × 19,317,129.60
  4. Step 4: Simplify right side
    32,964,009.60x = 955,560,635,367,644.25
  5. Step 5: Solve for x
    x = 955,560,635,367,644.25/32,964,009.60
  6. Step 6: Final answer
    x = 28,987,997.73

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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.