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Finding the Fourth Proportional to 11,893.35, 17,899.74 and 8,947.08

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Solution

The fourth proportional to 11,893.35, 17,899.74 and 8,947.08 is: 13,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.35 : 17,899.74 = 8,947.08 : x
  2. Step 2: Convert to fraction form
    11,893.35/17,899.74 = 8,947.08/x
  3. Step 3: Cross multiply
    11,893.35x = 17,899.74 × 8,947.08
  4. Step 4: Simplify right side
    11,893.35x = 160,150,405.76
  5. Step 5: Solve for x
    x = 160,150,405.76/11,893.35
  6. Step 6: Final answer
    x = 13,465.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.