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Finding the Fourth Proportional to 22,670,859.60, 34,072,644.60 and 19,751,230.80

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Solution

The fourth proportional to 22,670,859.60, 34,072,644.60 and 19,751,230.80 is: 29,684,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670,859.60 : 34,072,644.60 = 19,751,230.80 : x
  2. Step 2: Convert to fraction form
    22,670,859.60/34,072,644.60 = 19,751,230.80/x
  3. Step 3: Cross multiply
    22,670,859.60x = 34,072,644.60 × 19,751,230.80
  4. Step 4: Simplify right side
    22,670,859.60x = 672,976,667,460,973.75
  5. Step 5: Solve for x
    x = 672,976,667,460,973.75/22,670,859.60
  6. Step 6: Final answer
    x = 29,684,655.96

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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.