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Finding the Fourth Proportional to 18,456,094.80, 27,675,847.80 and 7,092,766.80

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Solution

The fourth proportional to 18,456,094.80, 27,675,847.80 and 7,092,766.80 is: 10,635,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,094.80 : 27,675,847.80 = 7,092,766.80 : x
  2. Step 2: Convert to fraction form
    18,456,094.80/27,675,847.80 = 7,092,766.80/x
  3. Step 3: Cross multiply
    18,456,094.80x = 27,675,847.80 × 7,092,766.80
  4. Step 4: Simplify right side
    18,456,094.80x = 196,298,334,437,693.03
  5. Step 5: Solve for x
    x = 196,298,334,437,693.03/18,456,094.80
  6. Step 6: Final answer
    x = 10,635,962.62

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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.