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Finding the Fourth Proportional to 25,319,230.74, 37,978,846.56 and 6,149,858.58

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Solution

The fourth proportional to 25,319,230.74, 37,978,846.56 and 6,149,858.58 is: 9,224,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319,230.74 : 37,978,846.56 = 6,149,858.58 : x
  2. Step 2: Convert to fraction form
    25,319,230.74/37,978,846.56 = 6,149,858.58/x
  3. Step 3: Cross multiply
    25,319,230.74x = 37,978,846.56 × 6,149,858.58
  4. Step 4: Simplify right side
    25,319,230.74x = 233,564,535,375,519.50
  5. Step 5: Solve for x
    x = 233,564,535,375,519.50/25,319,230.74
  6. Step 6: Final answer
    x = 9,224,787.98

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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.