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Finding the Fourth Proportional to 3,784,504.69, 5,672,770.53 and 1,887,260.32

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Solution

The fourth proportional to 3,784,504.69, 5,672,770.53 and 1,887,260.32 is: 2,828,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,504.69 : 5,672,770.53 = 1,887,260.32 : x
  2. Step 2: Convert to fraction form
    3,784,504.69/5,672,770.53 = 1,887,260.32/x
  3. Step 3: Cross multiply
    3,784,504.69x = 5,672,770.53 × 1,887,260.32
  4. Step 4: Simplify right side
    3,784,504.69x = 10,705,994,725,734.37
  5. Step 5: Solve for x
    x = 10,705,994,725,734.37/3,784,504.69
  6. Step 6: Final answer
    x = 2,828,902.49

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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.