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Finding the Fourth Proportional to 6,145,231.45, 8,587,380.80 and 6,145,231.45

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Solution

The fourth proportional to 6,145,231.45, 8,587,380.80 and 6,145,231.45 is: 8,587,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,231.45 : 8,587,380.80 = 6,145,231.45 : x
  2. Step 2: Convert to fraction form
    6,145,231.45/8,587,380.80 = 6,145,231.45/x
  3. Step 3: Cross multiply
    6,145,231.45x = 8,587,380.80 × 6,145,231.45
  4. Step 4: Simplify right side
    6,145,231.45x = 52,771,442,565,286.16
  5. Step 5: Solve for x
    x = 52,771,442,565,286.16/6,145,231.45
  6. Step 6: Final answer
    x = 8,587,380.80

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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.