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Finding the Fourth Proportional to 5,325,270.70, 7,987,906.05 and 5,325,270.70

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Solution

The fourth proportional to 5,325,270.70, 7,987,906.05 and 5,325,270.70 is: 7,987,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,270.70 : 7,987,906.05 = 5,325,270.70 : x
  2. Step 2: Convert to fraction form
    5,325,270.70/7,987,906.05 = 5,325,270.70/x
  3. Step 3: Cross multiply
    5,325,270.70x = 7,987,906.05 × 5,325,270.70
  4. Step 4: Simplify right side
    5,325,270.70x = 42,537,762,042,417.73
  5. Step 5: Solve for x
    x = 42,537,762,042,417.73/5,325,270.70
  6. Step 6: Final answer
    x = 7,987,906.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.