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Finding the Fourth Proportional to 7,863.08, 11,798.68 and 3,483.64

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Solution

The fourth proportional to 7,863.08, 11,798.68 and 3,483.64 is: 5,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.08 : 11,798.68 = 3,483.64 : x
  2. Step 2: Convert to fraction form
    7,863.08/11,798.68 = 3,483.64/x
  3. Step 3: Cross multiply
    7,863.08x = 11,798.68 × 3,483.64
  4. Step 4: Simplify right side
    7,863.08x = 41,102,353.60
  5. Step 5: Solve for x
    x = 41,102,353.60/7,863.08
  6. Step 6: Final answer
    x = 5,227.26

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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.