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Finding the Fourth Proportional to 7,632,581.19, 11,448,813.46 and 1,952,796.39

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Solution

The fourth proportional to 7,632,581.19, 11,448,813.46 and 1,952,796.39 is: 2,929,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632,581.19 : 11,448,813.46 = 1,952,796.39 : x
  2. Step 2: Convert to fraction form
    7,632,581.19/11,448,813.46 = 1,952,796.39/x
  3. Step 3: Cross multiply
    7,632,581.19x = 11,448,813.46 × 1,952,796.39
  4. Step 4: Simplify right side
    7,632,581.19x = 22,357,201,594,471.41
  5. Step 5: Solve for x
    x = 22,357,201,594,471.41/7,632,581.19
  6. Step 6: Final answer
    x = 2,929,179.66

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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.