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Finding the Fourth Proportional to 6,387,968.41, 9,573,978.26 and 3,194,008.00

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Solution

The fourth proportional to 6,387,968.41, 9,573,978.26 and 3,194,008.00 is: 4,787,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,968.41 : 9,573,978.26 = 3,194,008.00 : x
  2. Step 2: Convert to fraction form
    6,387,968.41/9,573,978.26 = 3,194,008.00/x
  3. Step 3: Cross multiply
    6,387,968.41x = 9,573,978.26 × 3,194,008.00
  4. Step 4: Simplify right side
    6,387,968.41x = 30,579,363,138,316.15
  5. Step 5: Solve for x
    x = 30,579,363,138,316.15/6,387,968.41
  6. Step 6: Final answer
    x = 4,787,024.79

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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.