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Finding the Fourth Proportional to 7,858.74, 10,843.83 and 4,500.75

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Solution

The fourth proportional to 7,858.74, 10,843.83 and 4,500.75 is: 6,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.74 : 10,843.83 = 4,500.75 : x
  2. Step 2: Convert to fraction form
    7,858.74/10,843.83 = 4,500.75/x
  3. Step 3: Cross multiply
    7,858.74x = 10,843.83 × 4,500.75
  4. Step 4: Simplify right side
    7,858.74x = 48,805,367.87
  5. Step 5: Solve for x
    x = 48,805,367.87/7,858.74
  6. Step 6: Final answer
    x = 6,210.33

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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.