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Finding the Fourth Proportional to 8,669,618.64, 11,959,537.68 and 5,360,855.04

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Solution

The fourth proportional to 8,669,618.64, 11,959,537.68 and 5,360,855.04 is: 7,395,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,618.64 : 11,959,537.68 = 5,360,855.04 : x
  2. Step 2: Convert to fraction form
    8,669,618.64/11,959,537.68 = 5,360,855.04/x
  3. Step 3: Cross multiply
    8,669,618.64x = 11,959,537.68 × 5,360,855.04
  4. Step 4: Simplify right side
    8,669,618.64x = 64,113,347,847,897.91
  5. Step 5: Solve for x
    x = 64,113,347,847,897.91/8,669,618.64
  6. Step 6: Final answer
    x = 7,395,175.09

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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.