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Finding the Fourth Proportional to 7,136,714.34, 9,848,676.60 and 3,873,530.28

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Solution

The fourth proportional to 7,136,714.34, 9,848,676.60 and 3,873,530.28 is: 5,345,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,714.34 : 9,848,676.60 = 3,873,530.28 : x
  2. Step 2: Convert to fraction form
    7,136,714.34/9,848,676.60 = 3,873,530.28/x
  3. Step 3: Cross multiply
    7,136,714.34x = 9,848,676.60 × 3,873,530.28
  4. Step 4: Simplify right side
    7,136,714.34x = 38,149,147,028,027.45
  5. Step 5: Solve for x
    x = 38,149,147,028,027.45/7,136,714.34
  6. Step 6: Final answer
    x = 5,345,477.65

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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.