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Finding the Fourth Proportional to 11,959,594.46, 17,946,354.22 and 5,042,640.08

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Solution

The fourth proportional to 11,959,594.46, 17,946,354.22 and 5,042,640.08 is: 7,566,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959,594.46 : 17,946,354.22 = 5,042,640.08 : x
  2. Step 2: Convert to fraction form
    11,959,594.46/17,946,354.22 = 5,042,640.08/x
  3. Step 3: Cross multiply
    11,959,594.46x = 17,946,354.22 × 5,042,640.08
  4. Step 4: Simplify right side
    11,959,594.46x = 90,497,005,079,649.14
  5. Step 5: Solve for x
    x = 90,497,005,079,649.14/11,959,594.46
  6. Step 6: Final answer
    x = 7,566,895.80

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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.