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Finding the Fourth Proportional to 8,805.32, 13,193.94 and 6,454.44

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Solution

The fourth proportional to 8,805.32, 13,193.94 and 6,454.44 is: 9,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.32 : 13,193.94 = 6,454.44 : x
  2. Step 2: Convert to fraction form
    8,805.32/13,193.94 = 6,454.44/x
  3. Step 3: Cross multiply
    8,805.32x = 13,193.94 × 6,454.44
  4. Step 4: Simplify right side
    8,805.32x = 85,159,494.09
  5. Step 5: Solve for x
    x = 85,159,494.09/8,805.32
  6. Step 6: Final answer
    x = 9,671.37

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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.