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Finding the Fourth Proportional to 7,792,895.66, 11,690,440.77 and 2,401,980.62

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Solution

The fourth proportional to 7,792,895.66, 11,690,440.77 and 2,401,980.62 is: 3,603,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792,895.66 : 11,690,440.77 = 2,401,980.62 : x
  2. Step 2: Convert to fraction form
    7,792,895.66/11,690,440.77 = 2,401,980.62/x
  3. Step 3: Cross multiply
    7,792,895.66x = 11,690,440.77 × 2,401,980.62
  4. Step 4: Simplify right side
    7,792,895.66x = 28,080,212,168,797.88
  5. Step 5: Solve for x
    x = 28,080,212,168,797.88/7,792,895.66
  6. Step 6: Final answer
    x = 3,603,309.14

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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.