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Finding the Fourth Proportional to 13,326.88, 18,396.48 and 8,026.24

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Solution

The fourth proportional to 13,326.88, 18,396.48 and 8,026.24 is: 11,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.88 : 18,396.48 = 8,026.24 : x
  2. Step 2: Convert to fraction form
    13,326.88/18,396.48 = 8,026.24/x
  3. Step 3: Cross multiply
    13,326.88x = 18,396.48 × 8,026.24
  4. Step 4: Simplify right side
    13,326.88x = 147,654,563.64
  5. Step 5: Solve for x
    x = 147,654,563.64/13,326.88
  6. Step 6: Final answer
    x = 11,079.45

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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.