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Finding the Fourth Proportional to 6,792,012.80, 10,188,019.20 and 6,792,012.80

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Solution

The fourth proportional to 6,792,012.80, 10,188,019.20 and 6,792,012.80 is: 10,188,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792,012.80 : 10,188,019.20 = 6,792,012.80 : x
  2. Step 2: Convert to fraction form
    6,792,012.80/10,188,019.20 = 6,792,012.80/x
  3. Step 3: Cross multiply
    6,792,012.80x = 10,188,019.20 × 6,792,012.80
  4. Step 4: Simplify right side
    6,792,012.80x = 69,197,156,813,045.75
  5. Step 5: Solve for x
    x = 69,197,156,813,045.75/6,792,012.80
  6. Step 6: Final answer
    x = 10,188,019.20

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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.