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Finding the Fourth Proportional to 11,975,649.74, 17,963,216.84 and 3,339,520.34

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Solution

The fourth proportional to 11,975,649.74, 17,963,216.84 and 3,339,520.34 is: 5,009,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975,649.74 : 17,963,216.84 = 3,339,520.34 : x
  2. Step 2: Convert to fraction form
    11,975,649.74/17,963,216.84 = 3,339,520.34/x
  3. Step 3: Cross multiply
    11,975,649.74x = 17,963,216.84 × 3,339,520.34
  4. Step 4: Simplify right side
    11,975,649.74x = 59,988,528,009,010.52
  5. Step 5: Solve for x
    x = 59,988,528,009,010.52/11,975,649.74
  6. Step 6: Final answer
    x = 5,009,208.63

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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.