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Finding the Fourth Proportional to 12,773.75, 17,625.13 and 7,467.54

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Solution

The fourth proportional to 12,773.75, 17,625.13 and 7,467.54 is: 10,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.75 : 17,625.13 = 7,467.54 : x
  2. Step 2: Convert to fraction form
    12,773.75/17,625.13 = 7,467.54/x
  3. Step 3: Cross multiply
    12,773.75x = 17,625.13 × 7,467.54
  4. Step 4: Simplify right side
    12,773.75x = 131,616,363.28
  5. Step 5: Solve for x
    x = 131,616,363.28/12,773.75
  6. Step 6: Final answer
    x = 10,303.66

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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.