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Finding the Fourth Proportional to 25,318,997.79, 37,978,497.14 and 6,149,625.66

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Solution

The fourth proportional to 25,318,997.79, 37,978,497.14 and 6,149,625.66 is: 9,224,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318,997.79 : 37,978,497.14 = 6,149,625.66 : x
  2. Step 2: Convert to fraction form
    25,318,997.79/37,978,497.14 = 6,149,625.66/x
  3. Step 3: Cross multiply
    25,318,997.79x = 37,978,497.14 × 6,149,625.66
  4. Step 4: Simplify right side
    25,318,997.79x = 233,553,540,509,632.47
  5. Step 5: Solve for x
    x = 233,553,540,509,632.47/25,318,997.79
  6. Step 6: Final answer
    x = 9,224,438.60

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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.