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Finding the Fourth Proportional to 8,093,996.80, 12,140,995.20 and 4,062,918.40

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Solution

The fourth proportional to 8,093,996.80, 12,140,995.20 and 4,062,918.40 is: 6,094,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,996.80 : 12,140,995.20 = 4,062,918.40 : x
  2. Step 2: Convert to fraction form
    8,093,996.80/12,140,995.20 = 4,062,918.40/x
  3. Step 3: Cross multiply
    8,093,996.80x = 12,140,995.20 × 4,062,918.40
  4. Step 4: Simplify right side
    8,093,996.80x = 49,327,872,792,391.68
  5. Step 5: Solve for x
    x = 49,327,872,792,391.68/8,093,996.80
  6. Step 6: Final answer
    x = 6,094,377.60

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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.