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Finding the Fourth Proportional to 6,924,978.65, 10,388,004.15 and 2,313,980.82

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Solution

The fourth proportional to 6,924,978.65, 10,388,004.15 and 2,313,980.82 is: 3,471,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924,978.65 : 10,388,004.15 = 2,313,980.82 : x
  2. Step 2: Convert to fraction form
    6,924,978.65/10,388,004.15 = 2,313,980.82/x
  3. Step 3: Cross multiply
    6,924,978.65x = 10,388,004.15 × 2,313,980.82
  4. Step 4: Simplify right side
    6,924,978.65x = 24,037,642,361,180.40
  5. Step 5: Solve for x
    x = 24,037,642,361,180.40/6,924,978.65
  6. Step 6: Final answer
    x = 3,471,150.39

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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.