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Finding the Fourth Proportional to 33,897,653.20, 50,846,479.80 and 17,972,405.20

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Solution

The fourth proportional to 33,897,653.20, 50,846,479.80 and 17,972,405.20 is: 26,958,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897,653.20 : 50,846,479.80 = 17,972,405.20 : x
  2. Step 2: Convert to fraction form
    33,897,653.20/50,846,479.80 = 17,972,405.20/x
  3. Step 3: Cross multiply
    33,897,653.20x = 50,846,479.80 × 17,972,405.20
  4. Step 4: Simplify right side
    33,897,653.20x = 913,833,537,959,214.88
  5. Step 5: Solve for x
    x = 913,833,537,959,214.88/33,897,653.20
  6. Step 6: Final answer
    x = 26,958,607.80

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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.