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Finding the Fourth Proportional to 2,751,539.72, 3,797,475.08 and 1,663,819.01

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Solution

The fourth proportional to 2,751,539.72, 3,797,475.08 and 1,663,819.01 is: 2,296,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,539.72 : 3,797,475.08 = 1,663,819.01 : x
  2. Step 2: Convert to fraction form
    2,751,539.72/3,797,475.08 = 1,663,819.01/x
  3. Step 3: Cross multiply
    2,751,539.72x = 3,797,475.08 × 1,663,819.01
  4. Step 4: Simplify right side
    2,751,539.72x = 6,318,311,200,798.80
  5. Step 5: Solve for x
    x = 6,318,311,200,798.80/2,751,539.72
  6. Step 6: Final answer
    x = 2,296,282.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.