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Finding the Fourth Proportional to 23,761,569.60, 35,642,354.40 and 18,978,600.60

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Solution

The fourth proportional to 23,761,569.60, 35,642,354.40 and 18,978,600.60 is: 28,467,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,761,569.60 : 35,642,354.40 = 18,978,600.60 : x
  2. Step 2: Convert to fraction form
    23,761,569.60/35,642,354.40 = 18,978,600.60/x
  3. Step 3: Cross multiply
    23,761,569.60x = 35,642,354.40 × 18,978,600.60
  4. Step 4: Simplify right side
    23,761,569.60x = 676,442,008,601,252.62
  5. Step 5: Solve for x
    x = 676,442,008,601,252.62/23,761,569.60
  6. Step 6: Final answer
    x = 28,467,900.90

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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.