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Finding the Fourth Proportional to 4,892,859.30, 7,325,292.15 and 4,892,859.30

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Solution

The fourth proportional to 4,892,859.30, 7,325,292.15 and 4,892,859.30 is: 7,325,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,859.30 : 7,325,292.15 = 4,892,859.30 : x
  2. Step 2: Convert to fraction form
    4,892,859.30/7,325,292.15 = 4,892,859.30/x
  3. Step 3: Cross multiply
    4,892,859.30x = 7,325,292.15 × 4,892,859.30
  4. Step 4: Simplify right side
    4,892,859.30x = 35,841,623,821,344.49
  5. Step 5: Solve for x
    x = 35,841,623,821,344.49/4,892,859.30
  6. Step 6: Final answer
    x = 7,325,292.15

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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.