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Finding the Fourth Proportional to 6,165,687.60, 8,646,134.40 and 6,165,687.60

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Solution

The fourth proportional to 6,165,687.60, 8,646,134.40 and 6,165,687.60 is: 8,646,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165,687.60 : 8,646,134.40 = 6,165,687.60 : x
  2. Step 2: Convert to fraction form
    6,165,687.60/8,646,134.40 = 6,165,687.60/x
  3. Step 3: Cross multiply
    6,165,687.60x = 8,646,134.40 × 6,165,687.60
  4. Step 4: Simplify right side
    6,165,687.60x = 53,309,363,658,013.44
  5. Step 5: Solve for x
    x = 53,309,363,658,013.44/6,165,687.60
  6. Step 6: Final answer
    x = 8,646,134.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.