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Finding the Fourth Proportional to 10,684.40, 16,027.40 and 2,893.08

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Solution

The fourth proportional to 10,684.40, 16,027.40 and 2,893.08 is: 4,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.40 : 16,027.40 = 2,893.08 : x
  2. Step 2: Convert to fraction form
    10,684.40/16,027.40 = 2,893.08/x
  3. Step 3: Cross multiply
    10,684.40x = 16,027.40 × 2,893.08
  4. Step 4: Simplify right side
    10,684.40x = 46,368,550.39
  5. Step 5: Solve for x
    x = 46,368,550.39/10,684.40
  6. Step 6: Final answer
    x = 4,339.84

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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.