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Finding the Fourth Proportional to 4,993,748.64, 7,487,473.68 and 2,751,461.28

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Solution

The fourth proportional to 4,993,748.64, 7,487,473.68 and 2,751,461.28 is: 4,125,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,748.64 : 7,487,473.68 = 2,751,461.28 : x
  2. Step 2: Convert to fraction form
    4,993,748.64/7,487,473.68 = 2,751,461.28/x
  3. Step 3: Cross multiply
    4,993,748.64x = 7,487,473.68 × 2,751,461.28
  4. Step 4: Simplify right side
    4,993,748.64x = 20,601,493,915,539.11
  5. Step 5: Solve for x
    x = 20,601,493,915,539.11/4,993,748.64
  6. Step 6: Final answer
    x = 4,125,456.73

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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.