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Finding the Fourth Proportional to 3,567,391.94, 4,914,920.92 and 3,397,330.82

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Solution

The fourth proportional to 3,567,391.94, 4,914,920.92 and 3,397,330.82 is: 4,680,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567,391.94 : 4,914,920.92 = 3,397,330.82 : x
  2. Step 2: Convert to fraction form
    3,567,391.94/4,914,920.92 = 3,397,330.82/x
  3. Step 3: Cross multiply
    3,567,391.94x = 4,914,920.92 × 3,397,330.82
  4. Step 4: Simplify right side
    3,567,391.94x = 16,697,612,323,172.73
  5. Step 5: Solve for x
    x = 16,697,612,323,172.73/3,567,391.94
  6. Step 6: Final answer
    x = 4,680,621.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.