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Finding the Fourth Proportional to 8,850.65, 13,278.47 and 3,007.71

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Solution

The fourth proportional to 8,850.65, 13,278.47 and 3,007.71 is: 4,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.65 : 13,278.47 = 3,007.71 : x
  2. Step 2: Convert to fraction form
    8,850.65/13,278.47 = 3,007.71/x
  3. Step 3: Cross multiply
    8,850.65x = 13,278.47 × 3,007.71
  4. Step 4: Simplify right side
    8,850.65x = 39,937,771.97
  5. Step 5: Solve for x
    x = 39,937,771.97/8,850.65
  6. Step 6: Final answer
    x = 4,512.41

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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.