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Finding the Fourth Proportional to 7,850.80, 10,834.14 and 4,314.04

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Solution

The fourth proportional to 7,850.80, 10,834.14 and 4,314.04 is: 5,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.80 : 10,834.14 = 4,314.04 : x
  2. Step 2: Convert to fraction form
    7,850.80/10,834.14 = 4,314.04/x
  3. Step 3: Cross multiply
    7,850.80x = 10,834.14 × 4,314.04
  4. Step 4: Simplify right side
    7,850.80x = 46,738,913.33
  5. Step 5: Solve for x
    x = 46,738,913.33/7,850.80
  6. Step 6: Final answer
    x = 5,953.39

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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.