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Finding the Fourth Proportional to 12,327.66, 17,010.99 and 7,293.78

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Solution

The fourth proportional to 12,327.66, 17,010.99 and 7,293.78 is: 10,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.66 : 17,010.99 = 7,293.78 : x
  2. Step 2: Convert to fraction form
    12,327.66/17,010.99 = 7,293.78/x
  3. Step 3: Cross multiply
    12,327.66x = 17,010.99 × 7,293.78
  4. Step 4: Simplify right side
    12,327.66x = 124,074,418.64
  5. Step 5: Solve for x
    x = 124,074,418.64/12,327.66
  6. Step 6: Final answer
    x = 10,064.72

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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.